Answer:
stomata
Explanation:
Carbon dioxide cannot pass through the protective waxy layer covering the leaf (cuticle), but it can enter the leaf through an opening (the stoma; plural = stomata; Greek for hole) flanked by two guards cells. Likewise, oxygen produced during photosynthesis can only pass out of the leaf through the opened stomata.
Answer:
stomata
Explanation:
stomata open and closes like a door bringing co2 in and releasing h2o and am all so learning the exact topic