I think the correct answer would be true. Sports medicine doctors<span> are either orthopedic surgeons or primary care physicians who prescribe treatments for professional and amateur athletes. Hope this answers the question. Have a nice day.</span>
<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.
This is rlly nice thanks hope you are also doing well :)
A. Heart
(when you see "cardio",think heart)
