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What else can I help you with?
Did ancient people understand there was oxygen in the air?
No
Did Ancient people understand there was oxygen in air?
Ancient people did not have a scientific understanding of oxygen as a specific element. However, they were aware that air was necessary for breathing and for sustaining life. The discovery and isolation of oxygen as an element occurred in the late 18th century.
Ancient people understood there was oxygen in the air?
yeah i Think
What do you understand by fire?
The act of smothering a fire is to prevent air (oxygen) from feeding the flames.
How do you people use air?
People use air for oxygen, without air we would all be dead.
How many people needed oxygen?
From the air. The air consists of 78% nitrogen and 21% oxygen. The other 1% is made of argon, carbon dioxide and other gases. The oxygen is kept replenished when green plants photosynthesise. This involves the plant extracting the carbon dioxide from the air, absorbing water through its roots, and, using the green pigment chlorophyll in its leaves, convrts these two substances into sugars (its own food) and oxygen which is released into the air to replace what we have used.
Where do people get oxygen?
People get oxygen through the air they breathe. Oxygen is present in the Earth's atmosphere, comprising about 21% of the air we inhale. Our bodies extract oxygen from the air and use it to generate energy through a process called cellular respiration in our cells.
Who invented air cooling system in ancient Egypt?
ancient Egypt people
What do people breathe?
Air: 78% nitrogen, 21% oxygen, 1% other. We breathe oxygen and other molecules.
I don't understand how CPR works we breathe in oxygen and we exhale CO2 so how come during CPR when we breathe into the person we are exhaling CO2 into there body insted of oxygen?
Atmospheric air has about 20.5% oxygen and our lungs only extract about 4.5% oxygen, so the air we exhale has about 16% oxygen, 4.5% CO2. The air we breathe into the victim then has 16% oxygen for their lungs to extract oxygen from.
Why was there more oxygen in the air millions of years ago?
Millions of years ago, there was more oxygen in the atmosphere due to high levels of photosynthesis by ancient plants. These plants absorbed carbon dioxide and released oxygen as a byproduct, leading to higher oxygen concentrations in the air.
Are people safe in space?
people are not safe in space if there air tanks run out of oxygen because there is no air in space.
