Answer:
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voltage difference is the push that causes charges to flow from high to low areas.
Answer:
What role does blood play before cellular respiration can occur?
Blood releases energy from very small molecules.
Blood carries energy from cytoplasm to a mitochondrion.
Blood delivers oxygen and glucose to cells.
Blood delivers carbon dioxide and water to cells.
Explanation:
Explanation:

An outcome measured to see the effectiveness of the treatment.

The variable that is changed or manipulated in a series of experiments.
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Answer:
The electromagnetic spectrum from lowest energy/longest wavelength (at the top) to highest Electromagnetic radiation can be described in terms of a stream of mass-less particles, Each photon contains a certain amount of energy. Radio waves have photons with low energies.
Explanation: