If they research it then they would get the answer that they need to find out of the universe that is what I think.
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Answer:
In physics, a frame of reference, or reference frame, is a perspective that one uses to determine if an object is moving.
Explanation:
Answer:
The sum of PE and KE remains constant
Explanation:
Answer:
i speak english not spanigh sorry :(
Explanation:
B. We can see only one side of the Moon from Earth.
( we only see one side of the moon because the moon rotates around the Earth)