a.
Biology, 18.10.2019 02:40 hamichrit2412
How can carbon dioxide be considered a pollutant when it is a natural component of air?
a.
carbon dioxide is considered a pollutant even though it is a natural component of air, because it is harmful to all living organisms.
b.
carbon dioxide is considered a pollutant when larger concentrations than normal are present in the air as a result of human activity.
c.
carbon dioxide is considered a pollutant, because it forms harmful chemicals when mixed with other pollutants in the air.
d.
carbon dioxide cannot be considered a pollutant under any circumstances.
Answers: 2
Biology, 22.06.2019 00:00
Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Biology, 22.06.2019 11:00
What is the term for a water wave that is created by an underwater earthquake?
Answers: 2
How can carbon dioxide be considered a pollutant when it is a natural component of air?
a.
a.
Chemistry, 08.07.2021 08:40
English, 08.07.2021 08:40
History, 08.07.2021 08:40
Health, 08.07.2021 08:40
Mathematics, 08.07.2021 08:40
Physics, 08.07.2021 08:40
Mathematics, 08.07.2021 08:40
Mathematics, 08.07.2021 08:40
Biology, 08.07.2021 08:40
Physics, 08.07.2021 08:40
Mathematics, 08.07.2021 08:40
Biology, 08.07.2021 08:40