Answer:
C. Sometimes molecules need to move from low to high concentrations.
Explanation:
I would believe C because the water isn’t disappearing the plants/mud are taking up space.
<span>Your skeleton is internal, which means it is contained inside of you. A grasshopper has an external skeleton, or exoskeleton, with everything contained inside it. </span>
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>