Constants are factors that are not changed in the experiment. Since the experiment is testing different colors of light on plant growth, light color is being changed, and is therefore not a constant. Hope this helps! :)
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation:
Answer:
An artificial heart is a prosthetic device that is implanted into the body to replace the original biological heart. It is distinct from a cardiac pump, which is an external device used to provide the functions of both the heart and the lungs. Thus, the cardiac pump need not be connected to both blood circuits.
Explanation:
Answer:
D
Explanation:
Population is generalized to all individuals.
