Biotic factors are all of the “alive” factors in the environment which includes all living organisms. Abiotic factors are opposite, are “non alive” factors which may include water,soil,air,rocks,and etc.
The answer is volcanic activity
Answer:
one end has a free phosphate group on the 5' carbon; the other end has a free hydroxyl group bonded to the 3' carbon.
Explanation:
the warmclimate meant vast plant growth
