Greenhouse Gases Quiz

What do GHGs allow to pass through?

• Long wave radiation

• Short wave solar radiation

What was the concentration of CO2 in the 1800s?

• 180 ppm

• 280 ppm

• 380 ppm

• 480 ppm

What is one effect of the Human Enhanced Greenhouse Effect?

• More heat escapes into space

• Less heat escapes into space

• No change in heat escape

• Heat escapes faster into space

What is a consequence of increased GHGs due to human activity?

• Decreased global temperatures

• Increased global temperatures

• Stable global temperatures

• Fluctuating global temperatures

What percentage of incoming solar radiation reaches and warms the Earth's surface?

• 25%

• 45%

• 60%

• 75%

What is the role of clouds in the Earth's energy balance?

• They absorb all incoming solar radiation

• They reflect a portion of solar radiation

• They emit longwave radiation

What is the role of greenhouse gases in the Earth's energy balance?

• They reflect solar radiation

• They absorb and emit longwave radiation

• They cool the Earth's surface

• They have no effect

What happens to heat energy absorbed by greenhouse gases in the atmosphere?

• It is lost to space

• It is re-radiated back to earth as back radiation

• It is converted into chemical energy

• It is absorbed by the oceans

From 1850 to 1960, which regions were the major contributors to GHG emissions?

• Asia and Africa

• USA and NW Europe

• South America and Australia

• Middle East and India

Of the options below, which country has the highest per capita emissions?

• USA

• UK

• Australia

• China