Because Air itself is not an element. it is made up by different elements such as Oxygen and nitrogen. since its made up of a mix of different elements, its rather a homogeneous mixture :)
Answer:
The atomic radius corresponds to Sigma
Explanation:
It is the Van Der Waals radius ;)
One of the products of photosynthesis is carbon dioxide
Boiling point is the temperature at which a liquid boils and turns to a gas.
Hope this helps!! (:
