I think the answer to this is structure C
<em>igneous rocks</em> that form from magma below the surface.
The answer to the question above is letter "B. stroma". In the stroma are grana, stacks of thylakoid, others. Stroma contains important molecules which are useful for the photosynthesis and other metabolic functions of the cells. It may also contain enzymes and ions.
Answer: that is the answer
supplying oxygen and nutrients to tissues,Explanation:
