I think it's A. The mantle.
Is there a picture to go along with it? Or examples?
Answer:
organelle
Explanation:
All eukaryotic cells have membrane-bound organelles. An organelle is a small structure found in the cytoplasm that carries out specific activities inside the cell
Answer:6 CO2 + 6 H2O → C6H12O6 + 6 O2
Explanation: