Carbon Budget Y12

Where is the vast majority of carbon stored?

• Vegetation

• Earths crust

• Oceans

• Fossil fuels

Relatively _____ amounts of carbon are stored in the atmosphere and in plants.

The greenhouse effect is positive. True or false?

• True

• False

Average global temperatures have increased by about _____ degrees since 1880?

• 0.2

• 0.6

• 0.8

• 1

Regions that experience widespread deforestation may become.....

• More humid

• Wetter and less humid

• Drier and more humid

• Drier and less humid

Volcanic eruptions release carbon dioxide into the atmosphere. Do eruptions lead to a cooling or warming effect?

• Cooling

• Warming

Marine organisms can covert carbon into what, when building their shells?

• Carbon dioxide

• Calcium carbonate

• Methane

• Carbonic acid

Which does NOT lead to the enhanced greenhouse effect?

• Burning fossil fuels

• Deforestation

• Transportation

• Renewable energy

What gas does the thawing of permafrost release?

• Carbon dioxide

• Nitrous oxide

• Methane

• Oxygen

Which of the following is known as a carbon sink?

• Deforestation

• Afforestation

• Burning fossil fuels

• Volcanic eruption