Answer:
Independent: Light intensity
Dependent: Rate of photosynthesis
Explanation:
The independent variable is the variable that changes, to determine if it has an effect on something.
The dependent variable is the variable that's measured.
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The answer is true.
A placer deposit is a deposit of earth, sand, or gravel formed due to the differential settling of the denser, heavier components. The placer contains particles of valuable mineral and it is found usually in the bed of a river or lake.
Answer:
The scientist is studying oxygen which can also be found in protien. oxygen is the element which makes up to 65% of human body mass. It is also found in proteins inside the body.