Using Figure 12

question 17

Multiple Choice

Using Figure 12.3,which of the following statements is accurate regarding the concentration of Earth's atmospheric carbon dioxide through time?

• A) Over the last 200 years (1800 to 2000), the Earth's carbon dioxide levels doubled
• B) Over the last 10,000 years carbon dioxide levels on Earth have doubled
• C) Over the last 200 years (1800 to 2000), the Earth's carbon dioxide levels have increased greater than 100 ppm.
• D) All of the above

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Definitions:

Kilometres Per Litre

A measure of a vehicle's fuel efficiency, indicating how many kilometres the vehicle can travel on one litre of fuel.

Micropower

Small-scale technologies designed to provide electricity to a small number of users via methods that are less resource-intensive and more environmentally friendly than traditional power stations.

Wind Electricity

Electricity generated by converting wind energy into electrical energy, typically using wind turbines.

Dose-Response Curve

A graph showing the relationship between the dose of a substance and the effect it has on an organism.