Answers
Answer:
b
Explanation:
The diagram that best shows the field lines around two particles with opposite charges is option B, as the opposite poles are the positive and negative poles that make the pattern.
What is the significance of the magnetic fields?There is a lot of significance to the magnetic fields both in technologies and in nature, such as magnetic fields are generated by the motion of electric charges, such as in the Earth's core and in the sun, and these have a significant impact on the atmosphere and in space. It is used in electric motors, televisions, computers, generators, and MRI machines, among other things.
Hence, the diagram that best shows the field lines around two particles with opposite charges is option B, as the opposite poles are the positive and negative poles that make the pattern.
Learn more about the magnetic fields here.
https://brainly.com/question/29658319
#SPJ2
Related Questions
the effects of toxic chemicals are minimized by which following three mechanisms
Answers
Answer:
Metabolic degradation, excretion, and repair.
Explanation:
Starting with the European settlers, humans have introduced earthworms from Europe and Asia into North American forests. These
introductions continue through the transport of soil that contains non-native earthworms, such as during construction and through the
release of non-native earthworms used for fishing. The effects of non-native earthworms are especially large in forests that did not have
any native earthworms. For example, forests of the Great Lakes region did not previously have earthworms until humans introduced them.
When non-native earthworms are introduced, the thick layer of leaves, known as leaf litter, covering the ground disappears quickly,
thereby altering biogeochemical cycles.
What is a possible negative consequence of introducing the non-native earthworms to forests in the Great Lake regions?
A. The earthworms reduce the resources available to other animals that eat dead plant matter.
B.The earthworm decreases the
energy flow from one tropic level to the next.
C. The earthworms provide an additional food source for primary consumers.
D. The earthworms burrow,
which reduces the nutrients, flow of air, and water underground.
Answers
Answer: B .The earthworm decreases the
energy flow from one tropic level to the next. Because that makes the most sense.
Explanation:
Evolution is Blank 1 Blank 2 in a Blank 3 of organisms.
Answers
'Evolution is adaptive changes in a trait of organisms, which mainly occurs through the process of natural selection.
What is the evolutionary process of natural selection?The evolutionary process of the natural selection process by Darwin refers to the differential survival and reproduction of organisms in order to adapt to an ever-changing enviroment that may hamper these features.
Therefore, with this data, we can see that the evolutionary process of natural selection is based on differential survival as well as the strategies of reproduction which lead to change in organisms and thus perpetuate across time.
Learn more about the natural selection here:
https://brainly.com/question/2114489
#SPJ1
What effective control measures would you recommend to these farmers against nematode parasites?
Answers
Answer:
Nematode parasites can cause significant damage to crops and reduce yield, so it is important for farmers to take effective control measures. Here are some recommendations that farmers can consider:
1. Crop rotation: Farmers can rotate their crops with non-host plants to break the nematode life cycle. This helps to reduce the population of nematodes and prevent them from building up in the soil.
2. Soil solarization: This involves covering the soil with a clear plastic sheet during the hot summer months to increase the temperature of the soil and kill nematodes.
3. Biocontrol agents: Certain predatory microorganisms and beneficial nematodes can be effective in controlling plant parasitic nematodes. These biocontrol agents can be applied to the soil to help suppress nematode populations.
4. Nematicides: Chemical nematicides can be used to kill nematodes, but they should be used judiciously as they can have negative environmental impacts and may harm other organisms in the soil.
5. Sanitation: Farmers should practice good sanitation practices such as removing infected plant debris and cleaning tools and equipment to prevent the spread of nematodes.
6. Resistant varieties: Planting resistant crop varieties can help reduce the damage caused by nematodes.
7. Soil improvement: Maintaining soil health through practices such as adding organic matter can improve soil structure, fertility, and water-holding capacity, making it less hospitable to nematodes.
By implementing these control measures, farmers can effectively manage nematode infestations and protect their crops from damage.
Answer:
Explanation:
ome effective control measures against nematode parasites, such as crop rotation, use of resistant crop varieties, biological control methods, soil solarization, and chemical control using nematicides. Here are some links for further reading:
Brainliest pls
Choose all the answers that apply.
Science should be
based on opinion
subjective
free from bias
based on fact
objective
Answers
Answer: Based on fact, Free from bias, objective
Explanation:
Answer: C,D,E or 3,4,5
Show the reciprocal cross: A red-eyed female (homozygous) and a white-eyed male. How many offspring will have white eyes and what is their sex?
Answers
When we see the reciprocal cross between a red-eyed female (homozygous) and a white-eyed male,we observe that none of the offspring will have white eyes. Additionally, the sex of the offspring will be half male and half female since the ratio of males to females is 1:1.
The reciprocal cross for a red-eyed female (homozygous) and a white-eyed male can be shown as follows:Female (XrXr) x Male (XwY). Females have two X chromosomes and males have an X and a Y chromosome. Red eyes are dominant to white eyes; therefore, we use Xr to represent red eyes and Xw to represent white eyes.
The offspring are as follows:All F1 females are heterozygous (XrXw).All F1 males are hemizygous (XrY).The F1 generation will have red eyes since the dominant allele is present.
None of the F1 individuals will have white eyes as the recessive allele is not present in the F1 generation.
For more such questions on reciprocal cross, visit:
https://brainly.com/question/18097190
#SPJ8
Is a volcano part of the lithosphere? Explain. NO WEIRD LINKS!
Answers
Answer: Tectonic activity is responsible for some of Earth's most dramatic geologic events: earthquakes, volcanoes, orogeny (mountain-building), and deep ocean trenches can all be formed by tectonic activity in the lithosphere.
Please give me brainlest if this helps.
47. Which of the following boxes indicates the process of denitrification? A. Box A B. Box B C. Box C D. Box D E. Box E
Answers
The box indicating the process of denitrification is Box A.
Thus, the correct answer is A.
What is denitrification?Denitrificаtion is the process by which nitrogen is tаken from soil or аquаtic systems, converted into а gаs аnd releаsed into the аtmosphere. Simply explаined, nitrogen is found in compounds in the ground аnd аquаtic systems in the form of nitrаte аnd nitrite.
Bаcteriа helps this process through а series of four chemicаl reductions.
NO3→NO2→NO→N2O→N2
Nitrаte is reduced to nitrite.Nitrite is reduced to nitric oxide.Nitric oxide is reduced to nitrous oxide.Nitrous oxide is reduced to dinitrogen.Your question is incomplete, but the nitrogen cycle picture can see in the Attachment.
For more information about denitrification refer to the link:
https://brainly.com/question/13624886
#SPJ4
PLEASE ANSWER ASAP!!!!
Video: Small Rockets Are the Next Space Revolution
1. What are the three things that you must do if you want to democratize space? Briefly explain each of these things.
2. How often can this private company launch a rocket in New Zealand? Why could it be difficult to launch this often?
3. How does this company manufacture its rocket engines? How fast can they make these?
4. What causes the most “space junk”? How does the Electron rocket help fix this problem?
Video: Sunita Williams of NASA Provides a Tour of the ISS Orbital Laboratory
1. How do astronauts sleep in zero gravity? Where are the sleep stations located?
2. How have the spacesuits changed since first designed in 1997?
3. What continent was the space station viewing? How did Sunny know this?
4. How do spacecraft attach to the space station?
5. Do you think Sunny should have put her hair in a ponytail? Why or why not?
Answers
To democratize space, you must:
Make space travel more affordable.Make space travel more accessible.Make space travel more sustainable.Making space travel more affordable can be done by reducing the cost of launch vehicles and other equipment. This can be done through innovation and competition.
Making space travel more accessible can be done by opening up space travel to a wider range of people, including scientists, engineers, entrepreneurs, and artists.
Making space travel more sustainable can be done by reducing the environmental impact of space travel. This can be done by using more efficient launch vehicles, by developing new technologies to reduce waste, and by recycling and reusing materials.
Rocket Lab can launch a rocket in New Zealand about once a week. This is because New Zealand has a relatively stable climate and a long coastline, which makes it ideal for launching rockets.
How are o explain the informationRocket Lab manufactures its rocket engines using a process called additive manufacturing. This process allows them to create complex parts quickly and easily. They can make a rocket engine in about a week.
The most common cause of space junk is the collision of two objects in orbit. This can create a chain reaction, where each collision creates more debris. The Electron rocket helps to fix this problem by using a new type of rocket engine that is designed to reduce the amount of debris created during a launch.
Video: Sunita Williams of NASA Provides a Tour of the ISS Orbital Laboratory
Astronauts sleep in zero gravity by using sleeping bags that are attached to the walls of the space station. The sleep stations are located in the crew quarters.
Spacesuits have changed a lot since they were first designed in 1997. They are now made of lighter, stronger materials and they have more features, such as built-in computers and cameras.
The continent that the space station was viewing was Africa. Sunny knew this because she could see the Sahara Desert.
Spacecraft attach to the space station using a variety of methods. One common method is to use a grapple fixture, which is a device that is attached to the spacecraft and the space station. The grapple fixture is then used to pull the spacecraft into place.
Whether or not Sunny should have put her hair in a ponytail is a matter of personal opinion. Some people might think that it was necessary to keep her hair out of her face, while others might think that it was not necessary.
Learn more about space on
https://brainly.com/question/17159826
#SPJ1
In saltwater, the water that surrounds a fish has a higher concentration of dissolved salts than is found in the fish's body cells. Which two methods allow the fish to maintain water balance? A. Pumping out salt through the gills B. Absorbing water into the body by osmosis C. Releasing only a little water in urine D. Taking in salts via food
Answers
The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.
In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:
1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.
2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.
By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.
These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.
For more such questions on osmosis, click on:
https://brainly.com/question/2811191
#SPJ8
Some molecules are unable to enter cells by diffusion, and instead, must use active transport. How is diffusion different from active transport?
Answers
Answer: See Below
Explanation:
Diffusion is considered passive transport because it does not require energy to move molecules across the membrane. This is possible because of difference in concentration gradient. Molecules will flow from a higher concentration to a lower in order to make uniform concentrations, this is a natural process that does not require energy.
Active transport requires energy, typically in the form of ATP to transport molecules against a concentration gradient.
What does the forward arrow in a chemical equation mean
Answers
Answer:
It shows where the chemical reaction proceeds.
Explanation:
Hoped this helps :)
Although the total distance the impulse travels in the reflex arc is less than 3
metres. the time taken is more than 0.04 seconds. Suggest why the time taken is
more than expected.
Answers
Although the total distance the impulse travels in the reflex arc is less than 3 meters. the time taken is more than 0.04 seconds and the time taken is more than expected because of Synapses or due to gaps between neurons.
Diagram displays the whole reflex arcs from the tip of the finger to the spinal cord and then back out to a closer muscle, possibly in the forearm or the arm. Because the signal doesn't have to go all the way back to the finger, the total distance is less than 3 meters. Considering that it just travels back a portion of the way, less than 3 meters, it takes. Let's see, it takes more than twice as long, therefore the query makes us think about why the delay. Where is the hold-up what is happening there, and the key to this is that the gray matter of the spinal cord doesn't truly contain mylin, despite the fact that we said it- accelerates electrical conduction through the axon in the nerves of the extremities. Mylin has a whitish color, which contributes to the white matter's appearance of whitishness. Thus, the electrical signal becomes slower.
To know morw about reflex visit: https://brainly.com/question/6023003
#SPJ9
Kant's famous First Formulation of the Categorical Imperative reads:Act only according to that maxim whereby you can at the same time will that it should become a universal law. Kant taught morality as a matter of following maxims of living that reflect absolute laws. "Universal" is a term that allows for no exceptions, and what is universal applies always and everywhere.Lying, for any reason, is universally wrong. Be sure to listen to Kant's audio lecture before posting this week! So, consider the famous case of the Crazed Murderer. In your town the Crazed Murderer comes to your door looking for your friend and wanting to kill him.You know that your friend went home to hide. What do you tell the murderer? When he leaves and runs up the street to your friend's house, what do you do?
Answers
Answer:
Universal laws are the ethics that guide the behavior of humankind. These laws are universally accepted by all humans and are followed by them in their daily lives. Law of attraction, the law of vibration, is some of the examples of universal law.
Explanation:
Kant believed that telling a lie is wrong, and murdering a human is a crime. All humans should follow these two principles. Keeping in mind the words of Kant, in the given situation, I will not tell the murderer about the exact location of my friend. I will not remain silent also because that crazy man could kill me too. Instead of telling him the right directions, I will tell him the wrong directions and will send him to the wrong place so that he would not harm my friend and me. Though telling a lie is wrong but saving two lives will be more important to me in this situation.
As soon as the murderer leaves, I will call the police and will tell them the direction in which the murderer has gone. This will save me as well as my friend's life, and the murderer will also get punishment for his sin.
Hope this helps!!
Are air, water and soul are examples of ecosystems services ?
Answers
Answer:
definitely not soul, but i think you mean soil
Explanation:
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Two parents have the following genotypes at 4 genes - AaBbCcDd x aaBbccDd. What is the probability of them having one offspring that displays either the dominant trait for all 4 genes or the recessive trait for all 4 genes (Give your answer to 5 decimal places).
Answers
Answer:
a b c d e f g h i dont know and im very sory
Explanation:
The probability of having one offspring that displays either the dominant trait for all 4 genes or the recessive trait for all 4 genes by the parents that have the following genotypes at 4 genes - AaBbCcDd x aaBbccDd is 0.51563.
What do you mean by dominant trait?The characters/ trait which can be expressed in offspring.What do you mean by recessive trait?The character/trait which is present but do not express in offspring.What are genes?These are the hereditary units that carries information from one generation to next.What is genotypes?"It is the genetic make up of an organisms."The probability of occurrence of more or more genes can be determined using punnette square. "The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment."
The calculation of probability of expressed traits is shown in the diagram given below.
Hence, the answer is 0.51563.
To know more about Punnette square here
https://brainly.com/question/25357981
#SPJ2
4-toed mom with (t t) and 5-toed dad with (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T T)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
Answers
Answer:
the probability to have a 4 toed baby is 0% chance and the probability for a normal toed baby is 100%
Explanation:
is essential to the body's ability to use iron.
A
Fluoride
B
Phosphorous
C
Chromium
D
Copper
Answers
We're no strangers to love
You know the rules and so do I
A full commitment's what I'm thinking of
You wouldn't get this from any other guy
I just wanna tell you how I'm feeling
Gotta make you understand
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
We've known each other for so long
Your heart's been aching but you're too shy to say it
Inside we both know what's been going on
We know the game and we're gonna play it
And if you ask me how I'm feeling
Don't tell me you're too blind to see
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Never gonna give, never gonna give
(Give you up)
(Ooh) Never gonna give, never gonna give
(Give you up)
We've known each other for so long
Your heart's been aching but you're too shy to say it
Inside we both know what's been going on
We know the game and we're gonna play it
I just wanna tell you how I'm feeling
Gotta make you understand
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
What is the purpose of the classification system?
A. to group living organisms from largest to smallest
B. to classify and better understand organisms
C. to organize living organisms into the order they were discovered
D. to understand the uses living organisms can have to society
Answers
What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and the other an animal C. Both can be plants D. One must be an animals and the other one a plant
Answers
Answer:
one can be a plant and the other an animal
What are the two key stages of meiosis after prophase 1 ?
Answers
Answer:
The second division is meiosis II: this division is like mitosis; the number of chromosomes does not get reduced.
Answer:
There are two divisions in meiosis; the first division is meiosis I: the number of cells is doubled but the number of chromosomes is not. This results in 1/2 as many chromosomes per cell. The second division is meiosis II: this division is like mitosis; the number of chromosomes does not get reduced.
How are clouds formed?
Explain your answer.''
Answers
Answer:
Water vapor
Explanation:
Clouds are formed when water evaporates into water vapor.
Answer:clouds mainly consist of water vapor clouds mainly consist of water vapor
If a 160lb individual has 28% body fat how much of their body weight is fat in lbs.?
Answers
Answer:
44.8 lb
Explanation:
160 lb * 0.28= 44.8 lb
Answer:
44.8 lb
Explanation:
160 x 0.28 = 44.8
Some igneous rock forms from magma that cools slowly within Earth’s crust. Briefly describe the most likely crystallization and texture of the rock. Other igneous rock forms from lava that cools quickly on Earth’s surface. Classify the rock as either intrusive or extrusive, and identify another word used to describe this type of rock. You are studying a sample of igneous rock. The rock formed on the surface of Earth. It’s made mostly of light-colored minerals. The sample has just a few specks of dark-colored minerals. Classify the rock by type and composition. You are studying a sample of igneous rock. The rock formed within Earth’s crust. The sample contains a very high concentration of dark-colored, high-density minerals. Classify the rock by type and composition. A scientist shows you a sample of rock called gabbro. The scientist explains that gabbro is an intrusive mafic igneous rock. Explain what this means.
Answers
2. Igneous rock that forms from lava that cools quickly on Earth's surface is called extrusive igneous rock. This type of rock is also known as volcanic rock.
3. The igneous rock with mostly light-colored minerals and just a few specks of dark-colored minerals is likely a felsic extrusive igneous rock, such as rhyolite.
4. The igneous rock with a high concentration of dark-colored, high-density minerals likely belongs to the mafic intrusive igneous rock category, such as gabbro.
5. Gabbro is an intrusive mafic igneous rock, which means that it formed from magma that cooled slowly beneath the Earth's surface, allowing for the formation of large crystals. Mafic refers to the high concentration of dark-colored minerals, such as iron and magnesium, which give the rock its characteristic dark color.
many more people who smoke develop lung cancer than those who do not smoke. What research would possibly show that cigarette smoking does not cause cancer?
Answers
A research which discovers that there is a certain condition that causes an individual to smoke cigarette and the same condition causes the individual to have cancer. Therefore, it is the condition that causes cancer but not smoking cigarette.
What is a research?A research is also referred to a study and it can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause), in order to determine or measure the dependent variable (the effect) and reach a logical conclusion with results.
What is cancer?Cancer can be defined as the uncontrolled division of certain body cells, which then proceed to invade the surrounding tissues and interfere with the normal functioning of the human body.
The types of cancer.Generally, there are different types of cancer and these include the following:
Prostrate cancer.Carcinoma.Breast cancer.Malignant mesothelioma.In conclusion, a research which would possibly show that cigarette smoking does not cause cancer is a research which discovers that there is a certain condition that causes an individual to smoke cigarette and the same condition causes the individual to have cancer. Therefore, it is the condition that causes cancer but not smoking cigarette.
Learn more about cancer research here: https://brainly.com/question/7565254
#SPJ1
What is the pairing of complementary strands of DNA due to hydrogen bonding called out of these options:
1. semi-conservative replication
2. helicase
3. DNA polymerase I
4. lagging strand
5. mitosis
6. Okazaki fragment
7. single-stranded binding proteins
8. leading strand
9. ligase
10. replication fork
11. template strand
12. primase
13. gyrase
14. annealing
15. DNA polymerase III
Answers
The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.
DNA replicationThe biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:
cell division during tissue development and repair, and it also guarantees that each new cell gets a copy of the DNA.A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.
These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.
To learn more about DNA replication, read: https://brainly.com/question/27853195
#SPJ1
what is the immediate source of energy for cells
Answers
ATP
Explanation:
ATP is produced in the cells and its conversion to energy is a single-step process.
Answer:
glucose
Explanation:
The immediate source of energy for most cells is glucose. But glucose is not the only fuel on which cells depend. Other carbohydrates, fats and proteins may in certain cells or at certain times be used as a source of ATP.
Hope this helps!! (please give me brainliest!)
4. How are atoms related to molecules?
Answers
Answer:
Every combination of atoms are molecules. A compound is a molecule made of atoms from different elements.
Explanation:
Atoms are related to the molecules as they are the building blocks of the molecules, and they make different molecules based upon the bonding pattern of the atoms present in the molecules or in the compound.
What is the significance of the atoms and molecules?They are both significant because they are both the basic building blocks of matter, and atoms in a molecule are held together by various types of bonds, such as ionic bonds and covalent bonds, etc. Water molecules, for example, are made up of oxygen and hydrogen, which are the atoms that combine to form the molecule.
Hence, atoms are related to the molecules as they are the building blocks of the molecules, and they make different molecules based upon the bonding pattern of the atoms present in the molecules or in the compound.
Learn more about the atoms and molecules here.
https://brainly.com/question/7013021
#SPJ2
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Despite spinning in a full circle, Ravi manages to
avoid hitting any objects and drives away unharmed. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation
of which of the following?
O sympathetic nervous system
O parasympathetic nervous system
O thyroid gland
O somatic nervous system
O pancreas
Answers
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphthetic nervous system.
What is Symphathetic nervous system?Autonomic nervous system includes the sympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls a variety of processes that don't require conscious thought.
The ability of your sympathetic nervous system to react to risky or stressful conditions is its most well-known function.
When this happens, your sympathetic nervous system kicks in to help you escape danger by increasing your heart rate, pumping more blood to areas of your body that need it, and other responses.
Therefore, Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphathetic nervous system.
To learn more about sympathetic nervous system, refer to the link:
https://brainly.com/question/28485355
#SPJ1