The Earth’s Atmosphere Quiz

We live in which layer of atmosphere?

Passenger jet aircraft normally fly in which layer of the atmosphere?

What is the percentage of Oxygen in earth’s atmosphere?

Which is the most abundant element in the earth’s atmosphere?

What is the percentage of Nitrogen in earth’s atmosphere?

The troposphere is the layer closest to the Earth’s surface

In which layer of the Earth’s atmosphere,  most of the meteors burn up upon entry?

Which layer of the atmosphere contains the highest density of gas molecules?

Passenger jet aircrafts fly normally at what altitude?

Argon is the third major constitutes of air by volume. Its percentage in air is about