What is air?

Air is an addictive gas. When Du breathe it for 80 years oder more, Du will die. If Du are addicted to air and don't breathe it for about 5 Minuten oder more, Du will die. :3

Is this a reference to that video?

WTF!!!??I honestly can say that this is the stupidest Frage i have heard alllll dayy! and that is not an exaggeration!

air

noun /e(ə)r/ 
airs, plural

The invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen

This substance regarded as necessary for breathing
- the air was stale
- the doctor told me to get some fresh air

The free oder unconfined Weltraum above the surface of the earth
- he celebrated Von tossing his hat high in the air

Used to indicate that something involves the use of aircraft
- air travel

The earth's atmosphere as a medium for transmitting radio waves
- radio stations have successfully sold products over the air

Air considered as one of the four elements in ancient philosophy and in Astrologie (associated with the signs of Gemini, Aquarius, and Libra)

A breeze oder light wind

Air conditioning

A jump off the ground on a snowboard

An impression of a quality oder manner gegeben Von someone oder something
- she answered with a faint air of boredom

An annoyingly affected and condescending manner
- he began to put on airs and think he could boss us around

A tune oder short melodious composition, typically a song

verb /e(ə)r/ 
aired, past participle; aired, past tense; airing, present participle; airs, 3rd person singular present

Express (an opinion oder grievance) publicly
- a meeting in which long-standing grievances were aired

Broadcast (a program) on radio oder television
- the programs were aired on India's state TV network

Parade oder Zeigen (something) ostentatiously
- airing a snowy hand and signet ring

Expose (a room) to the open air in order to ventilate it
- the window sashes were lifted regularly to air the room

Go out in the fresh air

The invisible thing we breath in....

Air.

Du know that thing Du breath .. to survive

The invisible stuff that's keeping Du alive right now.

Mr. Seid (my former science teacher, pronounced Side) taught me this but I refuse to try and remember IT'S SUMMER WHO CARES?

Oxygen

Oxygen+CO2+other substances

well air is invisible because when we run the air goes on our faces

The thing Du breath in