Question

The main gases that constitute the bulk of the atmosphere are ______ and _____.​

Answer 1

Answer:

Oxygen and Nitrogen

Explanation:

Earth's atmosphere is composed of about 78% Nitrogen, 21% Oxygen, 0.9% Argon, and 0.1% Other gases

Answer 2

Answer:

Two gases make up the bulk of the earth's atmosphere: nitrogen (N), which comprises 78% of the atmosphere, and oxygen (O), which accounts for 21%. Various trace gases make up the remainder. Based on temperature, the atmosphere is divided into four layers: the troposphere, stratosphere, mesosphere, and thermosphere.