what is air?????????
Answers
Answered by
5
Answer:
A colloid is a mixture in which one substance of microscopically dispersed insoluble particles are suspended throughout another substance. However, some definitions specify that the particles must be dispersed in a liquid, and others extend the definition to include substances like aerosols and gels.
Answered by
25
Answer:
Air is all around us. It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Our atmosphere is divided into five layers starting from the earth's surface
:))
Similar questions