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A History of Global Climate Change

Terms in this set (10)

Why was the concern over global cooling replaced with a concern over global warming?
a. The science community needed a cause to frighten the general population.
b. Steady surface temperature increases were noted between the 1970's and 90's.
c. Air pollution only became a concern in the 1980's.
d. Scientists observed severe ocean acidification.
b. Steady surface temperature increases were noted between the 1970's and 90's.
Which of the following best describes the impact of glaciers upon the surface of the earth?

a. Ice buried continents under a few hundred feet of ice.
b. Glaciers scraped across the surface and altered landscapes and the course of rivers.
c. The passage of glaciers created new ecosystems.
d. All of the above.
b. Glaciers scraped across the surface and altered landscapes and the course of rivers.
Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?

a. Pollution began reflecting sunlight and heat rather than absorbing it.
b. Evidence of global warming became overwhelming.
c. Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.
d. Congress required scientists to assign a cause to global climate change.
c. Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.
What is known about climate history over the last 10,000 years?
a. glaciers and ice caps melted
b. sea levels rose
c. Black Sea flooded
d. all of the above
d. all of the above
Which of the following is not a manmade cause of global warming?
a. burning fossil fuels
b. deforestation
c. respiration
d. population growth
c. respiration
Global warming is a theory accepted by a majority of scientists.
True
In which major weather events of the 20th century did climate play a significant role?
a. Mt. Saint Helens eruption
b. Space Shuttle Challenger disaster
c. Dust Bowl
d. Sinking of the Titanic
c. Dust Bowl
Africa was covered by glaciers during the Pleistocene ice age.
True
Which of the following is not true concerning the interglacial period that began 15,000 years ago?
a. glaciers stopped advancing
b. sea levels rose
c. biodiversity increased
d. none of the above
d. none of the above
Between 1940 and 1970 most scientists were already concerned about global warming.
False
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