Chemistry, 14.07.2021 01:00 whohelpme

30. The theories on the expansion of the universe (2 points) A. may harm science if proved invalid
B. may be proved invalid by new discoveries
C. are weakened by frequent examinations
D. are too durable to change when re-examined

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30. The theories on the expansion of the universe (2 points) A. may harm science if proved invalid<...