<span>Cumulonimbus clouds may be seen when a storm is approaching.</span>
Answer:
1. A thin layer of hydrogen and helium that was blown off by solar wind.
2. heavily water vapor.
3. mostly carbon dioxide and methane.
4. mostly nitrogen and oxygen.
Hi if the answer is wrong am sorry I tried but if it is correct then I'm happy I helped
Answer:
Protozoa are one-celled organisms, like bacteria. But they are bigger than bacteria and contain a nucleus and other cell structures, making them more like plant and animal cells. Protozoa love moisture.
Speciation is the creation of a new species distinct from the original due to evolution.
I will walk through how this will work for you.
1. Animals of the same species living on either side of a stream can move from one side to another.
2. The stream changes into a river
3. Animals are now separated and must live apart
4. Environments on either side of the river change over time.
5. Animals due to natural selection, undergo change
6. After a thousands of years, two different of species form.
Hope this helps.