plz answer both the questions plz plz both
Attachments:
Answers
Answered by
0
Answer:
The mixture of gases that form the atmosphere of the Earth. By volume, dry air is composed of nitrogen (78.09%), Oxygen (20.95%), argon (0.93%), carbon dioxide (0.03%), and several trace gases. Water vapor varies between zero and 4% volume.
Answered by
0
Answer:
Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixture
Similar questions