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Physics, 05.12.2020 07:40 swtnru4509

Choose all the answers that apply. The universe:

a) is made mostly of empty space
b) is expanding
c) is billions of years old
d) is about 100 light years wide
e) contains planets and stars

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Answers: 3

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You know the right answer?
Choose all the answers that apply. The universe:

a) is made mostly of empty space
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