Question

1) Oxygen is hsed for breathing and _____?

2) Air that is squeezed into a small space is called ________ air?

3) when air is ______ it rises

4) ______ is the most abundant gas in the atmosphere

Plz tell me the answers of these blanks... ☝
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Answer 1

Answer:

1) Cellular respiration

[every cell requires oxygen to break down foods into energy and produce Carbon dioxide as a waste product.]

2) compressed

[like CO2 squeeze in a bottle of soda, you'll call it compressed CO2]

3) warm

[Warm air is free of water particles (moisture) because of which its not weighed down]

4) Nitrogen

[around 78% of air]

_______________

Hope this helps!