Governmental and public admiration
You can't see them without a microscope, nor can you smell or taste them individually.
<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:
normally it would take 9 months to a year
D.) Both A and C.
Because your body will learn that i will get food more frequently even if is just a small portion and will burn more fat(energy) during that short time period and breakfast is the first meal of the day after nit eating for at least 8 hours you need the energy to start your day and so your body has the energy to do things that would make you feel more healthy and with energy.