Labels:ball | book | comic book | fence | plaything | sky | trade name | tribute album OCR: AIR MIRIS MIXTURE of gases that Oxygen surrounds the Earth and Nitrogen supports all life on it breathe in air stay alive and rely or for heat. fire cannot burn without he layer ofair that we breathe stretches for only miles 11 km) above the Earth's surface The gases that make up air are mixed in approximately the same proportions all over the planet. Oxygen and nitrogen are the key elements. with water vapor, carbon dioxide and othet Other gases making up the total. The amount gases ofwater vapor the varies and referred to as humidity. Carbon THE MAKEUP OF AIR dioxide Oxygen and nitrogen make 99 percent 0 air but there are many other inered ients ATMOSPHERE ATMOSPHERIC UQUID ALSO PRESSURE PRESSURE ovet vapot Carl ingredients OTMOSPHERIC
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