They produce less waste, they provide better contrast, and they are faster.
Answer:
all
Explanation:
i had to increase my self confidence and it is all
Answer:
because it gives you the best results
Explanation:
<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.
