Multiple Choice
One unusual aspect of dark matter is
A) it exerts no gravitational force.
B) it moves faster than lightspeed.
C) it's made of a material that has not yet been observed in our laboratories.
D) its gravitational force pushes (or repels) instead of pulling.
E) it exerts a new kind of fundamental force, never observed before.
Correct Answer:
Verified
Correct Answer:
Verified
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Q31: What is the universe mostly made of?<br>A)
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