It is mostly Nitrogen and Oxygen, with a little bit of Argon and Carbon Dixoide.
Pollutant
The most common substance in air is nitrogen, which makes up about 78% of Earth's atmosphere. Oxygen is the second most common substance, comprising around 21% of the atmosphere. Other gases such as argon, carbon dioxide, and traces of other gases make up the remaining 1%.
Keratin.
Nitrogen (symbol N2) makes up 78% of the composition of air.
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
Carbon dioxide .
water
Children
Oxygen makes up 21 percent of the air by volume.
air is a substance because air is a gas and a gas is a substance.
No, the substance that makes up everything in the world is called matter. Mass is a property of matter that measures the amount of material present in an object.
It is a measure of the amount of substance which makes up the swimmer.