Certain bacteria live in plant roots and receive sugars from the plants. the bacteria provide a source of useful nitrogen for the plants.
this best describes which type of relationship?
a) parasitism
b) competition
c) mutualism
d) predation

C

Explanation:

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

there’s no image attached but i can if you want: )