Chemistry, 07.06.2021 17:40, rockinrachel9099

How have safety concerns about chemicals changed over time? A.
Government officials rather than scientists decide what chemicals are dangerous.
B.
As scientists have learned more about chemicals, they have become more aware of their dangers.
C.
All nations have agreed to a set of safety standards, so testing chemicals is no longer necessary.
D.
Scientists are no longer as concerned about chemicals because they are much safer today.

Answers: 1

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How have safety concerns about chemicals changed over time? A.
Government officials rather th...