it wouldn't be a present particle because those often end with a (ing) and can't be past or past participle because that means its already been done so its present
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Active transport moves molecules from HIGH to LOW concentrations
Answer:
lightning and thunder is caused by the rapid expansion of the air surrounding the path of a lightning bolt. Since the lightning takes so little time to go from point A to point B, the heated air has no time to expand. The heated air is compressed, raising the air from 10 to 100 times the normal atmospheric pressure.
Explanation:
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