(1
U
9. What process obtains carbon dioxide and water from surroundings and produces
carbohydrates and oxygen gas?
O fossilization
O respiration
O digestion
O photosynthesis
R
explanation: Photosynthesis uses carbon dioxide and water to assemble carbohydrate molecules (usually glucose) and releases oxygen into the air. Eukaryotic autotrophs, such as plants and algae, have organelles called chloroplasts in which photosynthesis takes place.