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DIOXIN
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∙ 16y ago
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What is the 2 main Sources of air pollution?
The two main sources of air pollution are the toxins released from factories and automobiles.
What makes a tire leak around the rim?
From experience, if air is leaking around the rim, usually it isn't the tire. Check the rim for any cracks, the tiniest crack can lead to a flat tire because of the released air.
How do you know that there is energy stored in coal?
When it is burned in air (this is a chemical reaction with oxygen) energy is released as heat.
Suppose you deflate a bicycle tire by depressing the air valve Why does air rush out of the tire and After the air stops rushing out of the tire is the tire empty?
Air rushes out because it is under pressure. Once there is no longer any pressure in the tire the air will stop flowing out. However there is still air in the tire it is just equal to the pressure outside.
When air is pumped into a tire?
When it is needed.The tire inflates when air is pumped in
What does air leave a tire when the tire valve is opened?
Air leaves a tire when the valve is opened due to the pressure difference. Since the tire has more pressure than the air outside, the tire air will escape until the pressure equalizes.
Is there a limit to the amount of air that can be pumped into a bicycle tire?
Yes there most certainty is a limit to the amount of air that can be pumped into a bicycle tire. Put too much air in the tire and it will explode. The maximum air pressure for the tire is listed on the sidewall of the tire.
Why does the bottom of a tire pump feel hot when you pump air in the tire but when air is released the valve stem feels cool?
Because when you compress a gas like airit gets warm - which is what happens to the pump. And when a gas like air is allowed to expand, which is what happens when you let it out of the tire, it cools off - which is what happens to the valve.
How is some of the plant carbon returned to the air?
When a plant rots or is burned, carbon bound up in the plant is released.
What are three pollutants released into the air when fuels are burned?
Carbon dioxide, water vapour and nitrogen.
Why does air leave the tire when the tire valve is opened?
Air leaves a tire when the tire valve is open due to the pressure. The pressure outside of the tire is lower than the pressure inside the tire.
Does the air inside a tire rotate with the tire?
In short, yes the air does rotate. You're wondering if one molecule of air at the top of the inside of the tire will stay stationary when the tire is moving, basically. Because of the high PSI in a tire, the air molecules are packed together and do not have anywhere to go. When the tire spins, the air doesn't have anywhere else to go, so it starts spinning with the tire.
