Precision relates to how close the answers are to each other, so I’d think it would be D because of the limited range between data points.
Answer:
I don't understand the question
Explanation:
1. c
2. c
Secondary air pollutants are the ones that are formed as a result of reactions
between primary pollutants and other elements in the atmosphere, such as ozone
Answer: D. Made of only one kind of atom
Explanation:A compound forms whenever two or more atoms form chemical bonds with each other.
