Question

13 which is an example of an autotroph a mushroom b cow c grass d water

Explanation:

Autotrophs are organisms that can produce their own food through processes like photosynthesis. Grass is a plant and uses photosynthesis to make its own food. Mushrooms are fungi and are heterotrophs. Cows are animals and heterotrophs. Water is an in - animate substance, not an organism.

Answer:

C. grass