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Oxygen and Carbon Dioxide
Curtis Strite
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Which gas makes up just over 20 percent of the air around us?
Oxygen gas makes up just over 20% of the air around us.
What are the properties of air for kids?
Air is a gas that is all around us. It has weight, can be compressed, and takes up space. Air is made up of several gases, mainly nitrogen and oxygen, which are essential for living things to breathe and survive.
Does nitrogen make up about 50 percent of the air around us?
Nitrogen makes up about 78% of the Earth's atmosphere, not 50%. The next most abundant gas is oxygen at around 21%.
When air molecules collide with things around us it produces what?
When air molecules collide with objects, they can produce sound waves. These sound waves travel through the air and reach our ears, allowing us to hear the sound created by the collisions.
What percentage of the air around us is oxygen?
The percentage of oxygen in the atmosphere is 20.75%. The atmosphere has many other elements that we breathe in besides oxygen. Oxygen needs to be present for life on earth.
All of the air around us makes up what earth sphere?
The atmosphere surrounds Earth and is made up of all the air around us.
What percent of the air around us is made of nitrogen gas?
80 %
How does the air around us moves?
how does the air around us moves?
Why does the amount of air around us have to be greater than the amount of air in us?
The more air is in us the higher the preshure. If there was more air in us than around us we could explode howewer if there was too much air around us we would probably get squeezed.
What's around us?
there is air around us
What is it called when air presses on us?
air has mass
How do we know there is air around us?
Air is not literally everywhere around us; it is not under the ocean or in outer space, for example. But in our normal lives, we are always surrounded by air. For most purposes, it is everywhere around us.
Is air around us pure or not?
no
Is the air around us is pure or not?
no
Is air around us pure what reason?
air is not pure
What is around us and you cannot see it?
air
How much air is there around us?
loads
