when is parts per million used???
No spams ❌❌❌❎❎❎
Answers
Answered by
0
Answer:
This is a way of expressing very dilute concentrations of substances. Just as per cent means out of a hundred, so parts per million or ppm means out of a million.
Answered by
0
This is a spam
Hahahahahahahhahha
Hahahahahahahhahha
Similar questions
Science,
6 months ago
Social Sciences,
6 months ago
Science,
6 months ago
Math,
1 year ago
Biology,
1 year ago