A.) Oxygen is an output......
Answer:
A. Photosynthesis
Explanation:
Photosynthesis is a process in plants produce food materials by absorbing carbondioxide from the atmosphere which decreases the concentration of carbondioxide in the atmosphere. In photosynthesis reaction, plant take water from the soil and carbondioxide from the atmosphere in the presence of sunlight produces glucose and oxygen. Glucose is stored in different parts of plant such as grains, stem and roots while oxygen is released in the atmosphere.
Think it's C since joints connects two bones together and marrow is inside bones.
I believe the answer is C) is different lengths of time for different types of cells.
