Earth's Atmosphere

What was earth's early atmosphere mostly made of?

• Oxygen

• Carbon Dioxide

• Nitrogen

• water vapour

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

• Oxygen

• Carbon Dioxide

• Nitrogen

• water vapour

What percentage of todays atmosphere is nitrogen?

• 1 %

• 78 %

• 21 %

• <1 %

What percentage of todays atmosphere is water vapour?

• 1 %

• 78 %

• 21 %

• <1 %

What percentage of todays atmosphere is oxygen?

• 1 %

• 78 %

• 21 %

• <1 %

What percentage of todays atmosphere is carbon dioxide?

• 1 %

• 78 %

• 21 %

• <1 %

What percentage of todays atmosphere is argon?

• 1 %

• 78 %

• 21 %

• <1 %

What is the greenhouse effect?

• Plants grow quicker

• Summers getting hotter

• The planet will transform into a greenhouse

• The earth's average temperature gradually rising

What is a pollutant?

• Anything that causes unwanted changes in the environment

• A smelly gas

• Anything that changes the colour of water

What pollutant is responsible for climate change?

• Carbon monoxide

• Sulphur oxides

• Carbon dioxide

• Carbon particulates