Why was 1990 an important year regarding air quality? Check all that apply.
2.Cost-effective ways to reduce pollution were emphasized.
4.Modifications and improvements were made to the Clean Air Act.
i just took the test this is 100% correct
There's 6 because it says CH(3)F which means theres three hydrogen atoms in one, which tells us there's six in two
Answer:
Radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold the nucleus together due to an excess of either protons or neutrons.
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Answer:
B and D
Explanation:
Bc it has more fat than the other