Why does smoke appear to move when you look at it under a microscope?

Answers

Answer 1

Answer: Smoke particles are larger than air particles That's why we can see the smoke particles better than the air particles, gas particles always move at high speed, in random directions.The same things is happening to air particles When air particles collide with smoke particles, the smoke particle moves the same direction as the air particle that hit it. When another air particle hits the smoke particle, it changes its direction to the second air particle, and so on. This is called Brownian motion

Answer 2

Answer: because its a gas and its always changing forms. hope this helped

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Describe how the competition between invasive and native species might affect a food web.

Answers

if a invasive species were to intervene in the food web then it would break the web because it if were to kill the species it attacked then the web would be broken and a native species might also do the same.

Why is variation In a population beneficial

Answers

Some of the organisms might have different traits that allow them to survive better than others within the population. That way the population has a greater chance of surviving.

In terms of weather, what kind of boundary does the line labeled X represent? A.
occluded front

B.
stationary front

C.
cold front

D.
warm front

Answers

I think it would be cold front ^^, I hope it helps!

You have a batch of tomato plants with hairy stems that you grew by crossing plants that had hairy stems (HH) with plants that had non-hairy stems (hh). Which will be expressed in this batch of tomato plants? A. hairy stems (recessive). B. hairy stems (dominant). C. non-hairy stems (dominant). D. non-hairy stems (recessive).

Answers

the answer is b because if u make a punnett square each square has 1 dominant allele, and one 1 recessive allele, and the dominant appears more than the recessive does.

Answer:

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Explanation:

randome answer for this

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In a fox population the frequency of red fur changes from 20% to 50% in the population within 2 generations. What can be said about that population of foxes?

Answers

Answer:

The population is evolving

What happens when species overproduce offspring

Answers

The food runs out and the species usually ends up running out of food, but can sometimes spread to farther places if they are habitable. Then, that plant is endangered or extinct in that area. That is why overpopulation is taken so seriously. They can damage so many things. Then, the predators will have nothing to eat in that environment and will end up dying and the other animals that eat that plant will end up dying, and so on. Very sad! :(

Thanks for the opportunity to answer your question and I hope this helped! :)

Final answer:

When species overproduce offspring, it can lead to competition for resources and negative impacts on the environment and survival rates.

Explanation:

When species overproduce offspring, it can lead to competition for resources such as food, water, and shelter. This competition can result in a decrease in the overall fitness and survival rates of the offspring. Additionally, overpopulation can put pressure on the environment and lead to negative impacts such as habitat destruction and increased spread of diseases.

Learn more about overproduction of offspring here:

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Elements bond together to make molecules essential for living things. Which of the following is used in organism as storage compounds, cell formation and also used to build macromolecules?NitrogenCarbonPhosphorusHydrogen