Answer:
There is no question showing up so I dont know how to help u
Step-by-step explanation:
82 X 10-6 glm3of pollutants in the air. ... The weight of 1m3 of air is approximately 1.3 X 103g.Suppose that the volume of air inside of a building is 3 x 106 m3.

So, the answer to this problem is
x = 9/2 or
x = 4.5.
1. No, I don’t like cats
2. Yes, I love dogs