Anthropogenic causes of climate change

The enhanced greenhouse effect has led to a _____ deg C increase since 1900

• 0.5

• 0.7

• 0.9

• 1.0

The country with the highest TOTAL CO2 emissions is

• USA

• China

• India

• Australia

The country with the highest per capita CO2 emissions is

• USA

• China

• Qatar

• Australia

Without the NATURAL greenhouse effect the world would be on average minus ____ deg C .

• 4

• 8

• 14

• 18

Which is the most common greenhouse gas?

• methane

• CO2

• nitrous oxide

• sulphur dioxide

What % of the total emisions does CO2 contribute?

• 54

• 34

• 74

• 94

The clearing or conversion of too much forest  to agricultural and urban land removes the capacity of forests to remove _______ and turn it into oxygen

• CO2

• methane

• sulphur dioxide

• CFCs

If total global deforestation were a country it would rank ______ for greenhouse emissions

• first

• second

• third

• fourth