Answer:
The nitrogen cycle is a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria. In order to move through the different parts of the cycle, nitrogen must change forms.
I thinks it’s D but not sure
Answer:
Option c (
) is the correct alternative.
Explanation:
Given:
Common ancestor,
= 50 million years ago
Base differences,
= 92
Now,
The predicted mutation rate will be:
= 
= 
= 
or,
=
Thus the above solution is the right one.
Answer:
volcanoes, hurricanes, and earthquakes
Explanation:
I’m not sure if this helps much, but try thinking of an Aloe Vera plant. When you cut into it, you expose the the sticky center. The part you cut has a “sticky end.” So, think of a knife as the restriction enzyme, and the plant as the DNA molecule that you’re cutting. Hope this helps.
