Air Composition

Which of the following gases fluctuates (changes) in the atmosphere?

• oxygen

• water vaper

• helium

• nitrogen

Which of the following will feed the flames of a fire?

• hydrogen

• oxygen

• nitrogen

• carbon dioxide

The 2 most abundant gases in the atmosphere are

• helium and nitrogen

• nitrogen and oxygen

• oxygen and helium

• argon and nitrogen

The highest amount of gas in nature is _______________

• nitrogen

• oxygen

• argon

• CO2

Which gas contributes the largest part of air?

• carbon dioxide

• nitrogen

• sulphur dioxide

• oxygen

The gas is importance for RESPIRATION and COMBUSTION

• Inert gas

• Nitrogen

• Oxygen

• Carbon dioxide

What is the percentage composition of nitrogen in air?

• 78%

• 75%

• 86%

How many percent of oxygen is present in the air

• 20%

• 21%

• 78%

• 50%

Select all of the gases that are important for the growth of the plants

• carbon dioxide

• oxygen

• nitrogen

Tags

NGSS.MS-LS1-6

What is the most abundant gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon