Question

how does the carbon dioxide necessary for photosynthesis enter plants?
a. through their roots
b. through openings in the leaves called stomata
c. the plants produce their own complete supply
d. none of the above
please select the best answer from the choices provided

Explanation:

Plants take in carbon dioxide for photosynthesis through stomata (small openings) on their leaves. Roots mainly absorb water and minerals. Plants do not produce their own carbon dioxide supply for photosynthesis from scratch.

Answer:

B. through openings in the leaves called stomata