GCSE CC human causes

Which of these is not a human cause of climate change?

• Burning fossil fuels

• Agriculture

• Deforestation

• Sunspots

The atmosphere is a _____ of gases around Earth.

Which three of these are greenhouse gas?

• sulphur dioxide

• carbon dixoide

• water vapour

• methane

Greenhouse gases _____ energy back towards Earth.

• trap

• reflect

• absorb

• radiate

Releasing carbon dioxide into the atmosphere causes the greenhouse effect to become _____.

• enhanced

• intenser

• strengthened

• weakened

Burning fossil fuels is responsible for over 50% of greenhouse gas emissions.

• True

• False

How much of total greenhouse gas emissions are caused by agriculture (farming)?

• 20%

• 40%

• 60%

• 80%

Which two types of farming cause methane to be emitted into the atmosphere?

• cattle farming

• chicken farming

• rice farming

• wheat farming

Deforestation means that there are less trees to take carbon dioxide out of the atmosphere by _____.

• photosynthesis

• respiration

• burning

• sequestration