These are the things that convert nitrogen in the soil -cyanobacteria<span>participate. After nitrogen has been fixed, other </span>bacteria<span> convert it into </span>nitrate<span>, in a process known as nitrification.</span>
i would say D. ! :) let me know if this is correct
D; Hardy- Weinberg requires a very large population size so that genetic drift can be insignificant.
I do not believe it is possible for long periods of time. If the intestines are still intact, one can live for up to a certain period of time without medical help. However, this is an extremely short period of time.