Mental health is pretty important since it includes our emotional, psychological, and social well being. It also affects how we act, think, and feel. It also determines how we make choices and how we can relate to others
<h2>Answer:</h2>
<u>Natural gas is indoor pollutant</u>
<h2>Explanation:</h2>
From the options given above smog and vehicle exhaust are outdoor pollutants. Oxygen is not a pollutant at all. The only option left is natural gas. When we cook food or use heaters we use natural gas so the burning of natural gas pollutes the indoor environment that is why we can say that natural gas is indoor pollutants.
Answer:
United States Environmental Protection Agency
Explanation:
