They are able to travel in a vacuum at the same speed.
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The answer is B .
Biotic factor refers to living things .
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Answer:
Explanation:
) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).
