why would you ask that... it's because we need to be ablt to breath. if we had to much moister in the air you would drown. If it is dirty than you will die.
A Compound
Clean dry air is composed of approximately 78% nitrogen by volume. Therefore, in 500 moles of clean dry air, the number of moles of nitrogen can be calculated as 0.78 x 500 moles, which equals 390 moles of nitrogen.
Nitrogen.
wash with cold water and soap and air dry
Throw them in the wash and air dry
Wash, dry clean, or air out.
clean with luke warm water and a spoonfull of soap and let it air dry
You can clean your air filter with an air hose. You can also clean your filter by submerging it in soapy water. Allow the air filter to completely dry before putting it back in.
The two most abundant gases in clean dry air are nitrogen, making up about 78%, and oxygen, making up about 21%.
Check if your panties are dry/clean?
I clean my mirrors by scrubbing with a hot, wet rag and then drying with a clean, dry rag. You need to push firmly with the dry rag, to avoid streaks.
They could be dust particles. They could either be floating in the air and reflecting the flash when you take a photo, or you may need to clean the shutter by wiping it off with a clean, dry cloth.