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1 vote
According to the Big Bang theory, the universe was once very __________ and is now __________.

cold; cooling down even more

dense; expanding

hot; contracting in size

2 Answers

0 votes
dense; expanding is the one
User RVr
by
8.3k points
4 votes
According to the Big Bang theory, the universe was once very dense and is now expanding.
User Rohit Shelhalkar
by
8.3k points
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