NO OXYGEN FOR 5SEC

 Imagine if all the oxygen on Earth disappeared.

Not forever, just 5 seconds.

and here's what happens

if the world loses oxygen for just 5 seconds.

Take a nice deep breath.

Can you feel how satisfying it is?

What you breathe is oxygen

which takes up roughly 21% of our atmosphere,

with 78% being nitrogen.

Although it is not the most abundant gas in our atmosphere,

it is the most important.

Without oxygen, plants, animals, water,

and humans would not be where we are today.

5 seconds may not sound like a lot of time to be without oxygen.

Most of us can go at least 30 seconds without taking a breath, so…

It would happen too quickly for your body to even notice.

Your breathing would actually remain normal.

But what about everything else?

Not so much.

In just 5 seconds, the Earth would look completely different.

Without oxygen, you can say goodbye to Hoover Dam,

The Pantheon Dome and anything else made of concrete.

These structures would collapse immediately.

Oxygen acts as a special binder for concrete.

Without it, concrete is just dust.

Speaking of buildings,

any untreated metal would immediately fuse together.

This is because there is a layer of oxidation on the metals

which prevents them from welding together.

Without this layer, the metals would immediately bond together.

If you happen to be relaxing on the beach at that time,

expect severe sunburn.

The ozone layer, our protection from the sun's UV radiation, is made of oxygen.

Taking away the oxygen and Earth would become extremely dangerous.

Nothing would protect us from the sun's UV radiation.

In addition to heatstroke, our inner ear would explode.

Loss of oxygen means a loss of 21% of our air pressure.

Such a drastic change in air pressure

it is equivalent to being at sea level and instantly falling 2000 meters.

Our ears wouldn't have enough time to adapt.

Are you well now?

Well, don't expect it to take long.

Without oxygen there is no fire.

The combustion process in vehicles will not be able to occur.

Any mode of transportation that is not electric will automatically fail.

Planes will fall from the sky

and millions of cars will be stopped in their tracks.

The sky would be completely dark.

Before reaching Earth, light from the Sun bounces off many particles in the air.

Without oxygen in the atmosphere, there are fewer things to reflect,

and the sky will be dark.

Oh yeah, and while all this is going on,

the earth's crust would completely disintegrate.

This is because the earth's crust is made up of 45% oxygen.

The crust would crumble and crumble until nothing was left,

sending you and everyone on the planet into free fall.

Does this sound like fun?

Probably not.

But luckily you can take a deep breath of 21% oxygen,

knowing it will never happen.