How have safety concerns about chemicals changed over time?
A.
Government officials rather th...
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
Chemistry, 22.06.2019 00:30
Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 13:00
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
Answers: 3
Biology, 24.06.2020 18:01
Mathematics, 24.06.2020 18:01
Mathematics, 24.06.2020 18:01
Computers and Technology, 24.06.2020 18:01
Mathematics, 24.06.2020 18:01
Mathematics, 24.06.2020 18:01
Mathematics, 24.06.2020 18:01