<span>The greatest concentration of nitrogen on the Earth is found in its atmosphere. The atmosphere is approximately 78 percent nitrogen. and second one bacteria</span>
Answer:
4.
Explanation:
The universe began as a small, dense ball of matter. Gravity pulled it into itself, causing and explosion, hence the "big bang" Please mark brainliest! And ask more questions if you need!
Because they are giving most of the energy to the biosphere
a point mutation only mutates and changes that particular spot in the DNA strand while a frameshift changes the whole strand by moving the bases either one forward or backward
