Answers
Answer:
I think B
Explanation:
I dunno I guessed Dont use this
Related Questions
7.
The figure below shows a spring with a wave
traveling through it.
Wave Direction
Stretched
Compressed
Which type of wave is illustrated?
A. SOund
B transverse
C longitudinal
D electromagnetic
Answers
Answer: sound wave.
Explanation:
What is the relationship between population size and resource use?
O Population size has little effect on the usage of resources.
O Population size is inversely proportional to the use of resources.
O The greater the population size, the fewer resources are used.
O The greater the population size, the more resources are used.
Answers
The relationship between population size and resource use is O The greater the population size, the more resources are used.
What are the limiting factors of a given population in nature?The limiting factors of a given population in nature refer to those resources such as food availability that are required to maintain and grow a population.
Therefore, with this data, we can see that limiting factors of a given population in nature are those that may limit the growth of a population, and therefore while more individuals fewer resources are available.
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In systemic circulation, a drop of blood that is [ Select ] ["poor in oxygen", "rich in oxygen"] in the [ Select ] ["right atrium", "left atrium", "right ventricle"] will first travel through the [ Select ] ["pulmonary semilunar valve", "aortic semilunar valve", "tricuspid valve", "bicuspid valve"] to reach the left ventricle. From there it will be pumped through the [ Select ] ["bicuspid valve", "pulmonary semilunar valve", "aortic semilunar valve", "tricuspid valve"] to reach the [ Select ] ["aorta", "pulmonary artery", "pulmonary trunk", "superior vena cava"] , which will branch into smaller arteries and arterioles. The blood leaving the arterioles will enter the capillaries surrounding the systemic tissues. The blood exiting the capillaries is [ Select ] ["rich in oxygen", "poor in oxygen"] and will first travel in venules, which will fuse into bigger veins. Eventually the blood will enter into the [ Select ] ["right ventricle", "left atrium", "right atrium", "left ventricle"] via either [ Select ] ["aorta or pulmonary artery", "pulmonary artery or pulmonary vein", "superior vena cava or inferior vena cava"]
Answers
In systemic circulation, a drop of blood that is rich in oxygen in the left atrium will first travel through the bicuspid valve to reach the left ventricle. From there it will be pumped through the aortic semilunar valve to reach the aorta which will branch into arterioles.
The blood exiting the capillaries is poor in oxygen and will first travel in venules, which will fuse into bigger veins. Eventually the blood will enter into the right ventricule via either superior vena cava or inferior vena cava.
What is Systemic circulation?This involves blood vessels supplying oxygenated blood to and returning deoxygenated blood from the tissues of the body.
The appropriate processes and steps can be seen above.
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In the scientific method, how is a hypothesis tested? By becoming a theory By doing minimal research By experimentation and observation By disputing the results of other scientists
Answers
Answer:
by experimentation and observation
Explanation:
Answer:
C
Explanation:
Which of the following subatomic particles are NOT found in the nucleus of an atom?
A. Electrons
B. Protons
C. Neutrons
D. They are all found in the Nucleus
Answers
THIS IS EARTH SCIENCES
If -----------are spaced closely together on a map, there is a drastic temperature change over a distance.
A. Isobars
B. Warm fronts
C. Isotherms
s D. Occluded fronts
Answers
Answer:
B:warm fronts
Explanation:
It is warm fronts because the closer it is the warmer it is and the farther it is colder.
What is a beneficial mutation?
a. A mutation that changes the nucleotide base of DNA from an A to a T.
b. A mutation that increases an organism's fitness
c. A mutation that decreases an organism's fitness
d. A mutation that makes no change to an organism's fitness
(WILL MARK BRANLIEST)
Answers
Which is most likely to fossilize: a clam or a jellyfish? Explain your answer.
Answers
Answer:
The hard shell of a clam is more likely to fossilize because it is more resistant to biological and environmental destruction.
Explanation:
Of the given options, it is the clam which is most likely to fossilize.
What is fossilization?It is the process by which an animal or plant become preserved in a hard and petrified form. The phenomenon usually leads to impression of an organism being left in a rock. The animals, which are devoid of skeletons do not fossilize, as they decompose very briskly. Thus, jellyfish cannot be fossilized.
On the other hand, the animals possessing hard skeletons get fossilize easily. The hard shells of clam makes it perfect for fossilization, as they can withstand force and pressure, which is the primary requirement for fossilization. The most common fossils are shells of marine species like snails, clams, and corals.
Thus, a clam is most likely to get fossilize.
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PLEASE HELP me solve this!!!
Answers
Water is able to pass through the tubing.
If two different animal species are found to go through equivalent stages of embryonic development until the very last stage, which conclu
phenomenon support?
The two animal species are very closely related.
The two animal species are both mammals.
The two animal species have identical DNA.
The two animal species do not share a common ancestor.
Answers
Answer:
The species are very closely related
Explanation:
Answer:
The two animal species are very closely related.
Explanation:
WITHOUT FURTHER ACTION TO PROTECT CORAL REEFS FROM THE
EFFECTS OF CLIMATE CHANGE AND OTHER ENVIRONMENTAL
THREATS, THE WORLD WILDLIFE FUND PROJECTS HOW MUCH OF
THE REEFS WOULD BE LOST BY 2033?
35%
25%
50%
60%
Answers
Answer:
I will say 60% or it can also be 25% lost
What do you think why phytoplankton production is indispensable in producing quality seedstocks for aquaculture?
Answers
Phytoplankton are considered in the production of seedstocks for aquaculture as they happen to greatly influence the quality of water, are the major source of dissolved oxygen and influence the pond ecology.
Ponds usually happen to contain an abundant population of phytoplankton. The phytoplankton play a very crucial role in the pond ecology and also influence the quality of water. They are also the major source of dissolved oxygen. They also provide nutrition and remove the excess nutrition.
Although phytoplankton generally are very beneficial to the aquaculture, under some conditions, they can also prove to be quite problematic in the production of fish and shrimp.
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Summarize how scientists use evidence from rock strata to create a geologic time scale and organize Earth's 4.6 billion year history. In your response be sure to include the following:How do they divide the time periods/events of the 4.6 billion year history?Explain how they interpret rock age using relative dating principlesWhat are some examples of evidence they use from the rock strata?
Answers
The geologic time scale was developed after scientists observed changes in the fossils going from oldest to youngest sedimentary rocks. They used relative dating to divide Earth's past in several chunks of time when similar organisms were on Earth.
Scientists divide Earth's entire 4.6 billion years into four major time periods. The oldest — and by far the longest — is called the Precambrian. It is divided into Eons known as the Hadean (HAY-dee-un), Archean (Ar-KEY-un), and Proterozoic (Pro-tur-oh-ZOE-ik). After the Precambrian come to the Paleozoic Era and Mesozoic Era.
In interpreting rock age the use of relative dating puts the sequences of rocks layers into chronological order. Although the layers are no longer horizontal, geologists are able to determine their order.
Examples interpreted from rock strata provide a way to organize Earth's history. Analyses of rock strata and the fossil record provide only relative dates, not an absolute scale. phenomena can be observed at various scales using models to study systems that are too large or too small.
After seeing variations in the fossils as they moved from oldest to youngest sedimentary strata, geologists came up with the geologic time scale. Relative dating was used to split Earth's history into periods when comparable creatures were present.
What is a geologic time scale?Relative dating is used to chronologically organize the strata of rocks in order to understand rock age. Geologists can still discern the sequence of the strata, despite the fact that they are no longer horizontal.
Earth's history may be organized using examples derived from rock layers. The fossil record and the analysis of rock layers only reveal relative dates an absolute scale is not provided.
Therefore, to examine systems that are too huge or too tiny, events can be seen at multiple sizes using models.
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Oran fills in the table below to organize information about the gas laws.
Gas law
Gay-Lussac's
Boyle's
Charles's
Constant
1
3
5
Changing
2
4
6
In which numbered cells should he place pressure?
O 2, 4, and 5
O 1, 4, and 6
O2, 3, and 5
O 1, 3, and 6
Answers
The correct option is D.) 1, 3, and 6 because pressure is the changing factor in Gay-Lussac's Law, the constant factor in Boyle's Law, and the changing factor in Charles's Law.
Gay-Lussac's Law states that the pressure of a given quantity of gas held at constant volume is directly proportional to the Kelvin temperature which means the pressure of a gas increases as the temperature increases, and decreases as the temperature decreases.
Boyles Law states that the pressure of a gas is inversely proportional to its volume that means as the volume of a gas increases, the pressure of the gas decreases, and vice versa.
Charles's law is a basic physical law that states that the volume of a given amount of gas at a constant pressure is directly proportional to its absolute temperature. This means that when the temperature of a gas increases, its volume also increases, and vice versa.
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1. You are given a 1 gram soil sample of unknown bacterial load. After doing 10-fold serial dilutions of the soil in sterile water, 100 uL volumes are taken from each dilution for preparation of pour plates. Following incubation, each half of the 10-8 plate has 46 colonies.
a) What was the dilution factor?
b) How many bacteria were present in the soil?
2. Staphylococcus aureus divides every 20 minutes. A culture begins with 10 bacterial cells.
a) After 5 hours, how many generations have occurred
b) After 5 hours, how many bacteria are present?
3. How many milliliters would you need to prepare a 10-2 dilution from a 10ml starting culture?
Answers
Answer:
1a. 1:10
1b. 4.6×10¹³
2a. 15generations
2b. 327,680
Explanation:
10 fold serial dilution means 1ml of stock is mixed in 9ml distilled water. This is called as 10⁻¹ solution.
In this way, take 1ml each of every dilution and mix in 9ml distilled water to make 10⁻², 10⁻²-------10⁻⁸ dilutions.
Now, CFU/ml = no. of colonies × dilution factor/ volume of sample plated.
There are 2 Questions
Earth Science.
The video wasn’t helping
Answers
Answer:
it was DIE DINOS (if they where still here we all would be X_X if you watch the best dinos movie
Explanation:
( )
What type of reaction is the following? HELPPPPPP
ASAPPPP
Answers
Answer:
it's synthesis........
two different atoms/molecules form a different compound.
Answer:
Hey!
You were correct! The answer IS Synthesis!
Explanation:
Synthesis : is the process by which one or more chemical reactions are performed with the aim of creating a new compound substance...
In this case Potassium (K) and Chlorine (\(Cl_{2}\)) synthesize to create Potassium Chloride!
I HOPE THIS HELPED YOU!What information can the pharmacy technician enter at the pharmacy counter when a customer presents the prescription?
Answers
A pharmacist checks the medication's correctness before a pharmacist locates, dispenses, packs, and labels it for a patient. Assisting pharmacists with administrative responsibilities like filing paperwork, processing insurance claims, and keeping track of inventory is another possibility.
What specific details does the pharmacy technician write on the prescription label?The label contains details about the patient, the pharmacy, the prescribing doctor, the drug name, strength, form, quantity, directions, dispense date, expiration date, refills, drug description, and auxiliary information.Labeling: Must be professional and neatly applied to the container; must include the name, address, and phone number of the dispensing pharmacy; the prescription number; the names of the physician and the patient; and the date of the prescription.For more information on pharmacy technician kindly visit to
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Name the pros to Kudzu if there are any*to our planet:ecosystem:environment
Answers
The pros to Kudzu are due to its aggressive nature, kudzu has a variety of ecological effects.
These are such as shading out native plants in forest understories, changing the chemistry of soil by fixing nitrogen, and reducing native biodiversity.
The leafy vine kudzu, which is indigenous to Japan and southern China, produces the chemicals isoprene and nitric oxide, which combine with nitrogen in the air to make ozone, an air pollutant that poses serious health risks to people. Many different types of plants, especially crop vegetation, are hampered by ozone in their growth.
The Asian vine known as kudzu, which has completely taken over much of the southeastern United States, is responsible for growing ozone pollution in addition to devouring landscapes, changing ecosystems, and spreading further north.
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Give two examples of how homeostasis helps regulate the human body.
Answers
Answer:
Here are two examples of how homeostasis regulates different aspects of the body: Get homework help from firstgradeessays[at]gm ail. c om. Quality is a priority.
Body Temperature Regulation: The human body has a set temperature range (around 36-37 degrees Celsius or 98-99 degrees Fahrenheit) that needs to be maintained for optimal functioning. When the body temperature rises due to exercise or external heat, homeostatic mechanisms helps to cool the body. These mechanisms include sweating, which helps dissipate heat through evaporation. Dilation of blood vessels near the skin surface facilitates heat loss. Conversely, if body temperature drops, homeostatic responses like shivering and constriction of blood vessels occur to generate heat and conserve warmth.
Blood Glucose Regulation: Maintaining blood glucose levels within a narrow range is crucial for proper physiological functioning. After a meal, blood glucose levels increase, triggering the release of insulin from the pancreas. Insulin helps facilitate the uptake of glucose by cells, reducing blood glucose levels back to normal. On the other hand, when blood glucose levels drop (e.g., during fasting or exercise), the pancreas releases glucagon, which stimulates the liver to release stored glucose into the bloodstream. This process raises the blood glucose levels and restores homeostasis.
Explanation:
A certain type of non-native fungus has affected crops on Tim’s farm. Tim has decided to use a chemical control method to eradicate the invasive species. He applied a pesticide to the outer layer of the stems of his crops. Which chemical control method did Tim use?
Answers
Tim used a chemical control method known as pesticide application.
Pesticide application involves the use of chemicals to control or eradicate pests, such as insects, fungi, and weeds. In Tim's case, he applied a pesticide to the outer layer of his crop stems to control the non-native fungus that had affected his crops. Pesticides can be applied in various forms, such as sprays, dust, and granules.
The type of pesticide used depends on the target pest and the crop being protected. While chemical control methods such as pesticide application can be effective, they also have potential drawbacks, such as the development of pesticide resistance in the targeted pest populations and the risk of harming non-target organisms and the environment.
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he Punnett square shows the cross for a particular trait between a homozygous dominant parent and a heterozygous parent. What is the probability the offspring will be heterozygous for this trait? 25% 50% 75% 100%
Answers
Answer:
50%
Explanation:
Let's make a Punnett square to represent this, with X representing our dominant allele and x our recessive.
One homozygous dominant parent = XX
One heterozygous parent = Xx
X X
X XX XX
x Xx Xx
So two out of our four outcomes are heterozygous for the trait. That means the answer is B. 50%.
The probability the offspring will be heterozygous for this trait is 50%
What are the features of heterozygous traits?Heterozygous is the presence of two different alleles at a particular gene locus. A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles.
If the two versions are different, you have a heterozygous genotype for that gene. For example, being heterozygous for hair color could mean you have one allele for red hair and one allele for brown hair.
To be heterozygous for a trait is to have different alleles for it. Being homozygous for a trait means that it will always turn out the same.
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A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
Answers
Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
Select the two true statements about natural selection.
Only variations that help individuals avoid predators can become more
common through natural selection.
The result of natural selection in a population depends on the population's
environment.
Natural selection causes advantageous variations to become more
common over many generations.
Natural selection can cause an individual to gain new advantageous
variations during its life
Answers
The result of natural selection in a population depends on the population's environment and Natural selection causes advantageous variations to become more common over many generations are true statements about the process of natural selection (options 2 and 3).
What is the process of natural selection?The process of natural selection is an evolutionary mechanism associated with the differential survival and reproduction of the most adaptive phenotypes in a given environment.
Therefore, with this data, we can see that the process of natural selection leads to a change in gene allele frequency due to differential reproduction.
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Which statement would be MOST important to include in a summary of the article?
A
Models are used to represent objects and events in the real world.
B
Maps can be created on paper as well as digitally in people's phones.
C
Scales on maps use measurements in miles or kilometers.
D
Microscopes use lenses that bend light to make objects appear larger.
Answers
Answer:
D.) Microscopes use lenses that bend light to make objects appear larger.
Explanation:
I believe this is correct because it gives more detail in its sentence providing more information on a subject.
Which of these is describing a Eutrophic Lake?
A Mucky Water
B Cold Water
C Low Biodiversity
D Rocky Bottomed
Plz answer
Answers
Answer:
Mucky Water
Explanation:
I'm in high school Aquatics and I had this question popped up
How does the current affect plankton and nekton life?
Answers
Answer:
Advection by ocean currents modifies phytoplankton size structure at small scales (1–10 cm) by aggregating cells in different regions of the flow depending on their size. This effect is caused by the inertia of the cells relative to the displaced fluid
The function of an intromittent organ is to:
transfer sperm to the female.
aid in external fertilization.
transfer pollen grains to the stigma.
Answers
Answer:
Explanation:
An intromittent organ is any external organ of a male organism that is specialized to deliver sperm during copulation. Intromittent organs are found most often in terrestrial species, as most non-mammalian aquatic species fertilize their eggs externally, although there are exceptions. For many species in the animal kingdom, the male intromittent organ is a hallmark characteristic of internal fertilization.
distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Answers
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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who developed the unit for measuring amplitude?
(A.) Alexander Graham Bell
(B.) Thomas Edison
(C.) Nikola Tesla
(D.) Antonio Meucci
Answers
Answer: (C.) Nikola Tesla
Explanation: SOMETHING I DONT UNDERSTAND! I'm 4yrs old and my 13yrs old sis told me she was on her perio d but then I told her there was this thing called subject and predicate and how she isnt supposed to have a period at the end of her statement because it wouldnt make any sense... and ya, it didnt go well cause' she put on a tantrum.
But the weird thing is that Google said this "Tantrums are most common between the ages of one and four, then decrease when children start school." SO HOW COME I DIDN"T HABE A TANTRUM!!.. life makes no sense