C7 Climate Change_greenhouse effect

What happens when solar radiation enters the earth?

• A. Some of it is absorbed by the atmosphere

• B. Some of it is absorbed by the earth's surface

• C. Some of it is reflected by the atmosphere

• D. Some of it is reflected by the earth's surface

What is the importance of the greenhouse effect?

• A. It helps to block solar radiation

• B. It keeps the atmosphere warm to sustain life

The greenhouse gases trap

• A. Incoming (shortwave) solar radiation

• B. Outgoing (long-wave) radiation emitted from the earth's surface

Why the global temperature is rising?

• A. More solar radiation is received

• B. More outgoing radiation emitted from the earth's surface

• C. More outgoing radiation is trapped by greenhouse gases

Which of the following are not the examples of greenhouse gases?

• A. Carbon monoxide (CO)

• B. Carbon dioxide (CO2)

• C. Oxygen (O)

• D. Methane (CH4)