What are the components of the air we breathe?

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen

Explanation:

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen

The air in Earth's atmosphere is made up of approximately 78% nitrogen and 21% oxygen. Air also has small amounts of lots of other gases, such as carbon dioxide, neon, and hydrogen

Explanation:

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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