Question

Which of the following best supports the fact that air is a mixture?
a) The oxygen in the air is easily removed during combustion.
b) Air contains different elements.
c) The water vapour is a chemical compound.
d) The composition of the air remains almost constant throughout the world.

Answer 1

Answer:

the oxygen in the air is easily removed during combustion

Answer 2

Answer:

For this

Explanation:

The air is actually a mixture because the air contain different elements