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Physics, 01.02.2020 23:44 blesskids600

How do scientists know that dark matter exists?
a. it absorbs radio waves.
b. it emits electromagnetic radiation.
c. it exerts a gravitational pull on other matter.
d. it blocks the light coming from other objects.

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How do scientists know that dark matter exists?
a. it absorbs radio waves.
b. it emit...
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