Plants can use the fixed nitrogen in the ground to help them grow.
Answer:
A
Explanation: Solid's particles are compacted together so C would be ice, water is not is compact as ice is so water would be B, and lasty gas is well gas so it moves around freely which means the gases particles aren't as compact as water and ice, so gas would be A
The hottest layer, has very stable air
Alfred Wallace and Charles Darwin where both the theorists
behind the natural selection mechanism by which animals evolve to adapt in
their environment. Distinctively, Wallace was the co-author of the theory by
which his expeditions made him discover the processes that act on how evolution
occurs which he relayed to Darwin. However, as both peers in the theory of
evolution it seems to have arose that Wallace never became popular on this idea
unlike Darwin.
