A History of Global Climate Change

Question 1

During ices ages our planet supports more glaciers and deserts than forests.

Revolt · Accepted Answer

T

Question 2

Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?

Revolt · Accepted Answer

Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.

Question 3

Global warming is a theory accepted by a majority of scientists.

Revolt · Accepted Answer

T

Question 4

Which of the following best describes the impact of glaciers upon the surface of the earth?

Revolt · Accepted Answer

All of the above.

Question 5

Africa was covered by glaciers during the Pleistocene ice age.

Revolt · Accepted Answer

F

Question 6

Between 1940 and 1970 most scientists were already concerned about global warming.

Revolt · Accepted Answer

F

Question 7

Human activities _______.

Revolt · Accepted Answer

exacerbate the natural greenhouse effect

Question 8

Greenhouse gases are best described as _______.

Revolt · Accepted Answer

gases that trap energy from the sun in Earth’s atmosphere

Question 9

Which of the following is not a manmade cause of global warming?

Revolt · Accepted Answer

respiration

Question 10

“In a 2009 study, presented by the National Academy of Science, 97% of climate scientists agree that human activity is causing global warming." Which of the following statements is best supported by this study?

Revolt · Accepted Answer

Most climate scientists believe that there is evidence that explains global warming.

A History of Global Climate Change Answers

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