Geography
Geography, 30.09.2021 21:20, Peachfarie93451

How do scientists know that dark matter exists? A) It’s heat raises the temperature of space.

B) Its gravity affects objects around it.

C) It gives off electromagnetic waves.

D) All of these.

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Answers: 3

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How do scientists know that dark matter exists? A) It’s heat raises the temperature of space.

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