Composition Of Earths Atmosphere

Question 1

What is the primary gas in Earth’s atmosphere?

Answer 1

Nitrogen

Question 2

True or False: Oxygen makes up approximately 21% of the Earth’s atmosphere.

Answer 2

True

Question 3

What gas is produced by photosynthesis and is essential for human respiration?

Answer 3

Oxygen

Question 4

Which gas in the atmosphere is a greenhouse gas and contributes to climate change?

Answer 4

Carbon dioxide

Question 5

What percentage of the atmosphere is composed of argon?

Answer 5

Approximately 0.93%

Question 6

Multiple choice: Which of the following gases is present in the Earth’s atmosphere in the smallest amount? A) Oxygen B) Carbon Dioxide C) Neon D) Nitrogen

Answer 6

C) Neon

Question 7

True or False: Water vapor can make up to 4% of the atmosphere by volume.

Answer 7

True

Question 8

Fill in the blank: The atmosphere is composed of __________ layers.

Answer 8

five

Question 9

Multiple choice: Which gas is NOT a major component of the Earth’s atmosphere? A) Nitrogen B) Hydrogen C) Oxygen D) Argon

Answer 9

B) Hydrogen

Question 10

What is the importance of the atmosphere for life on Earth?

Answer 10

It provides essential gases, regulates temperature, and protects from space radiation.

Question 11

True or False: The composition of the atmosphere is constant and does not change.

Answer 11

False