APES Ch 20: Climate Change

What is the primary cause of the accelerating ice melt in Greenland?

• Natural climate cycles

• Atmospheric warming

• Volcanic activity

• Ocean currents

What is the main difference between weather and climate?

• Weather is short-term; climate is long-term.

• Weather is long-term; climate is short-term.

• Weather and climate are the same.

• Weather is about temperature only.

Which of the following is a natural factor that has played a key role in past climate change?

• A) Changes in ocean currents

• B) Human activities

• C) Industrial emissions

• D) Urbanization

Fill in the blank: The earth's climate has fluctuated over the past 900,000 years, swinging back and forth between long periods of atmospheric warming and _______.

• cooling

• heating

• stability

• drought

Which of the following methods is used to study past climates?

• Ice cores

• Satellite data

• Ocean currents

• Wind patterns

The analysis of ice cores provides information about the past composition of the lower atmosphere, temperature, and ______.

• Solar activity

• Ocean currents

• Wind patterns

• Earthquakes

What has been the trend in average surface temperature over the past 900,000 years?

• Steady increase

• Fluctuations with periods of increase

• Constant

• Rapid decrease

Fill in the blank: The average number of metric tons of CO2 that human activities pump into the atmosphere every day is ______.

• 50 million

• 110 million

• 200 million

• 500 million

What is the percentage of the world's CO2 emissions generated by the United States in 2013?

• 10.5%

• 15.6%

• 20.3%

• 25.4%

In 2013, how many times more CO2 was generated per person in the United States as compared to an individual in Germany?

• 1.5 times

• 1.7 times

• 2.0 times

• 2.5 times