Answer:
C. You can see the parts in a heterogeneous mixture but can't see them in a homogeneous mixture.
Explanation:
a heterogeneous mixture is in other words, the one that does not mix or is not uniformly combined, hence leading to the creation of layers of the substances used.
a homogeneous mixture is the one that completely dissolves, or mixes, or is uniformly combined.
In the process of photosynthesis, the outcome or product is oxygen. In cellular respiration, oxygen is taken in to fuel the cells. Cellular respiration is the correct answer.
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