Answer:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
C. Two atoms come together to form a molecule.
You would find layers in a sedimentary rock, because it has different types of other rock combined in it.
(Rice) is a Complex carbohydrate because they are made of sugar molecules strung together in complex strands.