Diffusion occurs because
Answers
Answer:
Diffusion. ... Diffusion is the movement of molecules from a region of higher concentration to one of lower concentration. This movement occurs because the molecules are constantly colliding with one another. The net movement of the molecules is away from the region of high concentration to the region of low concentration.
Explanation:
Related Questions
According to the passage, a water treatment plant
I. cleans water before it goes to your house
II. cleans the dirty water that leaves your house
III. fills up the reservoir when it does not rain enough
Answers
Answer:
cleans the dirty water that leaves your house
Explanation:
i looked it up
If you don't have access to clean bottled water, you can make your water safe to drink by boiling it. Boiling them is the most effective approach to get rid of harmful bacteria, viruses, and parasites. Add a dash of salt to each quart or liter of boiled water. Thus, option B is correct.
What water treatment plant cleans the dirty water?Any dirt, sand, dust, and other particles that fit inside the micron capacity of sediment filters are removed, along with any particulate matter that is visible. Also removed by sediment filters is turbidity in the water.
One of the most effective ways to cleanse water is with a RO Purifier. Reverse osmosis eliminates impurities by forcing water across a semipermeable membrane.
Therefore, cleans the dirty water that leaves your house.
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which will increase the rate of a chemical reaction ?
adding a catalyst
decreasing the pressure
decreasing the tempertaure
removing a catalyst
Answers
Answer:
adding a catalyst will increase the rate of a chemical reaction
Parents from previous generations had their own worries at the time about raising
children. What is one concern that parents from past generations had to deal with?
Answers
Parents from past generations had to deal with various concerns related to raising children, depending on the time period and cultural context. Here are some examples:
Safety: In the past, children faced more dangers from diseases, accidents, and other hazards. Parents had to take extra precautions to ensure their children's safety, such as keeping them away from strangers, supervising their playtime, and providing proper healthcare.
Education: In some cultures and time periods, education was not accessible to everyone, and parents had to fight to ensure their children received a decent education. In other cases, children were expected to work from an early age, and schooling was seen as a luxury.
Discipline: Parents from past generations also had to deal with disciplinary issues. However, the methods of discipline were often more physical and severe than what is acceptable today. Spanking, whipping, and other forms of physical punishment were common, even for minor misbehaviors.
Societal pressure: Parents were often under pressure from society to raise their children according to certain norms and expectations. For example, in some cultures, girls were expected to be docile and obedient, while boys were encouraged to be tough and independent. Parents who deviated from these norms risked being ostracized by their communities.
Economic hardship: In times of economic hardship, parents had to make difficult choices to provide for their families. Some had to leave their children behind to work in other towns or countries, while others had to send their children to work at an early age to help support the family
what might be some of the implications for stone tool development among hominins?
Answers
The development of stone tools among hominins has several implications. It reflects their capacity to modify their environment and create tools for specific purposes, such as hunting, cutting, and processing food.
Technological Advancement: Stone tool development signifies a significant advancement in the technological abilities of hominins. Cognitive Abilities: The ability to conceive, design, and manufacture stone tools requires a certain level of cognitive abilities, including problem-solving, planning, and spatial reasoning. The development of stone tools suggests an advancement in the cognitive capabilities of hominins.Adaptation and Survival: Stone tools enabled hominins to adapt to different environments and exploit resources more efficiently. They could use tools for hunting, defense, and various daily tasks, enhancing their chances of survival and success in their respective ecosystems.Social Dynamics: Stone tool development might have influenced social interactions among hominins. The sharing and transmission of tool-making knowledge could have fostered social cohesion, cultural traditions, and intergroup exchanges.Evolutionary Significance: Stone tools are considered a hallmark of human evolution. The development and refinement of tool-making techniques played a crucial role in shaping the physical and behavioral traits of early hominins, contributing to the emergence of the Homo genus.
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Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model? O a feedback loop Nest the flow of energy and nutrients the transformation of one thing to another O movement of an organism through space O the passage of time
Answers
Among the given options, the phrase that best describes the meaning of the arrows in this model is "The flow of energy and nutrients".
In biology, arrows are often used to represent the directional movement or transfer of energy and nutrients within biological systems. These arrows indicate the flow of energy from one organism to another, or the movement of nutrients through various trophic levels in food webs or metabolic pathways.
They depict the direction of energy transfer or the movement of molecules, emphasizing the interconnectedness and dynamic nature of biological processes. Therefore, "The flow of energy and nutrients" is the most appropriate phrase to describe the meaning of the arrows in this context.
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complete Question:
Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model?
A feedback loopThe flow of energy and nutrientsThe transformation of one thing to anotherMovement of an organism through spaceThe passage of timeThe illustration shows Galápagos tortoises from Albemarle and Abingdon islands. The variations in the features of the tortoise populations on Albemarle and Abingdon islands are examples of __________.
A. adaptations
B. vestigial structures
C. analogous structures
D. molecular similarities
Answers
Answer:
A
Explanation:
The cell in this part of a plant transport water and nutrients throughout the plant. what is the most likely structure of specialized cells whose function it is to transport water and nutrients throughout a plant
Answers
The xylem is a plant structure (tissue) used to transport water and minerals.
What is the xylem?The xylem is a plant tissue that transports water and dissolved micronutrients in higher plants.
Moreover, the phloem is another vascular plant tissue specialized to transport foods produced by the leaves during photosynthesis.
In conclusion, the xylem transports water and minerals.
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The most likely structure of specialized cells whose function is to transport water and nutrients throughout the plant is the xylem.
What is xylem?Water is transported by the plant from the roots to the leaves through the xylem, a conductive tissue. Water enters the plant body through the root cells until it reaches the xylem, which transports the substance throughout the plant's body.
With this information, we can conclude that the xylem and phloem are conductive tissues, constituents of the plant's vascular system, responsible for the transport and distribution of substances throughout the plant
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if the two farmers continue using their chosen treatments for several years what effect will the treatments have on the abundance of pesticide resistant hornworms in each field
Answers
if the two farmers continue using their chosen treatments for several years, the effect will the treatments have on the abundance of pesticide resistant hornworms in each field is will likely increase.
The hornworms that are resistant to the pesticide will be able to survive and reproduce, passing on their resistance to their offspring. As a result, the population of pesticide-resistant hornworms will continue to grow over time. In the field where the farmer is using a high dose of pesticide, the abundance of pesticide-resistant hornworms will likely increase at a faster rate. This is because the high dose of pesticide will kill off most of the non-resistant hornworms, leaving only the resistant ones to reproduce.
In the field where the farmer is using a low dose of pesticide, the abundance of pesticide-resistant hornworms will likely increase at a slower rate. This is because the low dose of pesticide will not be as effective at killing off the non-resistant hornworms, allowing them to continue to reproduce and compete with the resistant hornworms. Overall, the continued use of pesticides will likely lead to an increase in the abundance of pesticide-resistant hornworms in both fields, but the rate of increase will likely be faster in the field with the high dose of pesticide.
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What cell parts are found only in plant cells? What are found only in animal cells?
Use complete sentences.
Answers
Answer:
my answer
Explanation:
Plant cells have chloroplasts, cell walls, and a large central vacuole which animals cells do not have. Animal cells have centrosomes and lyssomes which plant cells do not have.
Answer:
The plant cell has a cell wall, chloroplasts, plastids, and a central vacuole—structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.
when governors declare a state of emergency who is activated
Answers
Answer: the National Guard
Explanation:
i'm 95% sure but I hope it helps
When a governor declares a state of emergency, several entities are activated to ensure that the necessary resources are available to respond to the emergency situation.
These entities include the state's emergency management agency, local emergency management agencies, law enforcement agencies, National Guard units, and first responders such as firefighters and emergency medical personnel.
The state's emergency management agency, which is typically led by a director appointed by the governor, plays a central role in coordinating the response to the emergency. This agency is responsible for establishing an Emergency Operations Center (EOC) where representatives from different agencies can work together to respond to the crisis.
Local emergency management agencies also play an important role in responding to the emergency, particularly in coordinating the evacuation of residents and ensuring that they have access to necessary resources like food and shelter.
Law enforcement agencies, including state police and local police departments, are activated to provide security and support to first responders. The National Guard may also be called upon to assist in responding to the emergency.
Overall, when a governor declares a state of emergency, a coordinated effort is made to activate the necessary entities to respond to the crisis and ensure the safety of the public.
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Which type of virus reproduction takes the longest?
Lytic
Lysogenic
क
Transcription
DNA Replication
letas
Answers
Among all the types of virus reproduction, Lysogenic virus reproduction takes the longest.Why does Lysogenic virus reproduction take longer?During Lysogenic virus reproduction, the virus reproduces by integrating its DNA with the host DNA. In this type of reproduction, the virus reproduces its DNA but doesn't replicate it.
Thus, the virus stays in the cell for an extended period of time and can remain there for years as it replicates the host cell's DNA alongside its own. During this time, the virus remains hidden in the host's DNA and doesn't produce any viruses.Thus, as the virus remains hidden in the host's DNA, the Lysogenic virus reproduction takes a longer time period when compared to the Lytic virus reproduction, which is the other type of virus reproduction.The Lytic virus reproduces its DNA, as well as replicates it, thus the host cell is destroyed and numerous viruses are released into the environment in a shorter period of time as compared to the Lysogenic virus reproduction.In conclusion, Lysogenic virus reproduction takes longer as compared to the Lytic virus reproduction.
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The type of virus reproduction that takes the longest is the lysogenic cycle. In the lysogenic cycle, the virus's genetic material becomes integrated into the host cell's DNA. This integration allows the virus to remain dormant within the host cell for an extended period of time.
During this period, the virus does not actively reproduce and does not cause immediate harm to the host cell. The virus's genetic material is replicated along with the host cell's DNA during normal cell division. This allows the virus to be passed on to daughter cells as the host cell divides. The integrated viral DNA is known as a prophage.At a later time, triggered by certain environmental or internal factors, the prophage can become active and enter the lytic cycle. During the lytic cycle, the virus begins to actively replicate and produce new viral particles. These viral particles eventually cause the host cell to burst, releasing the newly formed viruses to infect other cells.Compared to the lytic cycle, which is a more rapid and direct form of reproduction, the lysogenic cycle can take a longer time to complete. The delay between integration and activation allows the virus to persist within the host cell without causing immediate harm. This longer reproductive cycle can contribute to the long-term survival and spread of the virus.
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Why are plants important to the carbon water and nitrogen cycles?
Answers
Answer:
The carbon and water cycle I know, but I can't help with the nitrogen cycle. Sorry.
Explanation:
Carbon cycle - The role that plants play in the carbon cycle is that they take in our carbon dioxide and put out oxygen, which we breathe. So we give the plant air and they give us air.
Water cycle - The role that plants play in the water cycle is when it rains, the plants absorb some of the water in their roots, thus making them strong and therefore helping the ground not become a mud hole.
Sorry that I can't help with the nitrogen cycle. But I hope what I was able to help you with helps!
HELP ME NOW PLEASE !!Mangrove trees are an important part of a mangrove wetland community. Other populations of plants and animals in this community rely on mageove trees for food & shelter. Which of these is a limiting factor on mangrove community populations that is unrelated to the density of mangrove trees?
**look at abcd in the picture**
Answers
Answer:
climate, salt water, tidal fluctuation and soil type
Explanation:
Climate, salt water, tidal fluctuation and soil type are the limiting factors for the mangrove wetland community. mangrove plants only present on wetland regions where the climate is humid. It also grow on the land where saline soil is found but excess saline conditions reduces its normal growth and development. For better growth of mangrove plants, soils made up of sand, silt and clay which are rich in organic matter.
Answer: B- severity of hurricanes
Explanation:
i need help ASAP pls but write it with your own words
Use what you learned in this lab to explain, using a minimum of two-three sentences, how natural selection occurred in the lab.
Word Bank:
competition
variation
inherited
Differential Success
Advantageous
adaptation
environment
fitness
Answers
Answer:
Competition is when you compete
Explanation:
Which of the following statements is a scientific hypothesis(that is, it makes a testable predictions). Choose only one
A. Even though no one else can see him, the ghost of my dog lives in my backyard.
B. The Atkins diet helps people lose more weight and keep it off than weight watchers do.
C. People born under the sun sign Aquarius are kinder and cuter than those born under Scorpio.
D. It is unethical to text while driving .
S. None of the above
Answers
Help with Biology?
A person suffering from measles travels to work by train. Explain how 10 days later, other people who were on the same train may also be suffering from measles.
Answers
Answer:
Hmm.
Explanation:
Measles is so contagious that if one person has it, up to 90% of the people close to that person who are not immune will also become infected. Infected people can spread measles to others from four days before through four days after the rash appears.
Measles is so contagious is spread from one person to another that if one person has it, people close to that person who are not immune will also become infected and it can spread through coughing and sneezing.
What are Measles?Infected people can spread measles to others from 8days before through four days after the rash appears.
Measles is a contagious virus, which leaves in the nose and throat mucus of the infected person, if a person has this disease if coughing and sneezing, and another person touches that surface chances of the disease tom occur. This can appear to spread the virus by a person within 8 to 10 days.
Therefore, a person having measles travels to work by train, and after 10 days, other people who were on the same train have a chance to be suffering from measles.
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What is the
purpose of
alveoli?
A. They warm air and dissolve gases to be put into
the blood stream.
B. They transport air from the trachea to the
bronchioles.
C. They make sound as air passes over them.
D. They filter the air coming into the body.
Answers
Why do you think making scaled drawings is important for our prototype plans?
Answers
otherwise you wont be able to erase it duh
what are the Cell Division in the human liver cell
Answers
Answer:
mitotic division
Explanation:
write the function of heart
Answers
Answer:
Explanation:
The heart's primary function is to pump blood throughout the body. It supplies oxygen and nutrients to the tissues and removes carbon dioxide and waste from the blood. It also helps to maintain adequate blood pressure throughout the body.
How to compare my DNA with the DNA of my best friend?
How would our DNA be similar? How would it be different?
Answers
Human DNA is 99.9% identical from person to person. Although 0.1% difference doesn't sound like a lot, it actually represents millions of different locations within the genome where variation can occur, equating to a breathtakingly large number of potentially unique DNA sequences.
hope this helps u :)
solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Answers
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Please HELP I am TIMED!!!!
Which of the following nutrients in fertilizer causes abnormalities in muscle contractions?
zinc
potassium
nitrogen
copper
Answers
Answer:
potassium I think I am not sure
Which would lead to an increase in biodiversity?
A. planting more trees
B. mining to obtain minerals
C. releasing sewage (waste water from flushing toilets, etc.) into lakes
D.not allowing fishing during breeding season
Answers
A.planting more trees
Answer:
A
Explanation:
1. Over 400 years ago, the bark of the cinchona tree was discovered to contain a
chemical compound called quinine. Quinine was, and still is, used to cure and prevent
malaria. This is an early example of
a biotechnology
b. scientific modeling
c. genetic engineering
d. genomics
Answers
Answer: b
Explanation:b
Answer: A
Explanation:
Modeling usually involves a simulation to make some kind of prediction or comparison. Genetic engineering involves changing the genetic makeup of an organism. Genomics is a new field dealing with gene mapping. The use of quinine for medicinal purposes is an early form of biotechnology. Four hundred years ago they were not mapping the genes of the cinchona tree.
which was the likely selective agent in the genetic resistance to hiv among some people today? quizlet
Answers
The likely selective agent in the genetic resistance to HIV among some people today is the CCR5 delta 32 mutation. This mutation affects a protein called CCR5, which is a co-receptor used by the HIV virus to enter and infect immune cells.
The CCR5 delta 32 mutation is a deletion of 32 base pairs in the CCR5 gene, resulting in a non-functional or truncated CCR5 protein. This mutation prevents the HIV virus from attaching to and entering immune cells that express the CCR5 receptor. As a result, individuals who carry this mutation are more resistant to HIV infection. It is important to note that not all individuals with the CCR5 delta 32 mutation are completely immune to HIV. While this mutation significantly reduces the risk of infection, it does not provide absolute protection. Additionally, the prevalence of this mutation varies among populations, with higher frequencies observed in individuals of European descent.
Other factors, such as access to healthcare, education, and safe practices, also contribute to the varying rates of HIV infection among different populations. The CCR5 delta 32 mutation is just one genetic factor that has been associated with increased resistance to HIV, but it is not the sole determinant of susceptibility to the virus.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answers
Answer: B. increase
Explanation:
Adaptation is what species do to survive or increase their survival rate.
10. What was the result when Morgan mated a white-eyed male fruit fly with a red-eyed female fruit fly?
Only male offspring had red eyes
Half the offspring had white eyes.
All the offspring had red eyes.
All the offspring had white eyes,
Answers
Answer:
When Thomas Hunt Morgan mated a white-eyed male fly with a red-eyed female, he came to the startling conclusion that the trait for eye color was located on the chromosome that determines sex. ... F2 generation: The offspring showed a ratio of three red-eyed flies to one white- eyed fly.
Explanation:
Answer:
all the offspring had red eyes.
Explanation:
gradpoint
plzzz help wil mark brainliest!
Answers
Answer: B.heat is absorbed
Explanation:
Answer:
B)
Explanation:
Endothermic reation occurs when a chemical absorbs heat.
Complete these sentences by matching the phrases below.
Scientists
recreate early
conditions of the
universe using
?
the Doppler effect
The speed of
stars can be
measured using
?
cosmic microwave
background radiation.
The prevailing
idea about the
beginning of the
universe is
called:
12
particle accelerators
The heat left
over from the
beginning of the
universe is:
the Big Bang theory
Ii
Answers
Answer:
Start from the basics
Explanation:
A physics theory called the Big Bang event explains how the cosmos grew from a highly dense and hot starting condition. The evolution of the visible universe from the oldest known times through its succeeding large-scale form is explained by several numerical solutions of the Big Bang.
According to scientists, the universe started with every last bit of energy compressed into a single, minuscule point. The explosion from this incredibly dense point created matter and propelled it outward to form the galaxies that make up our vast universe.
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