Consider the Following Diagram, and Then Answer the Question Below

question 59

Multiple Choice

Consider the following diagram, and then answer the question below.

-According to current scientific consensus, what is the reason for the upward trend in overall CO₂ concentrations demonstrated in the graph above?

• A) changes in Earth's atmosphere brought about by natural climate variation
• B) large and increasingly frequent volcanic eruptions
• C) rapidly increasing fossil fuel combustion and the resulting emissions
• D) The causes are still unknown.

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Definitions:

Ambient Temperature

The air temperature of any object or environment where equipment is stored or operated.

Body Temperature

The measure of the body's ability to generate and get rid of heat; essential for the proper functioning of enzymes and metabolic processes.

Motives

The reasons or desires that drive an individual to act in a certain way.

Propel Behaviour

The motivation or drive behind actions that move an individual towards certain goals or outcomes.