Discuss some of the challenges that climatologists face when attempting to reconstruct the climate of the past.
What will be an ideal response?
Answers may vary.
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Average streamflow can be calculated from ________ for a drainage basin
A) evapotranspiration B) the water budget C) runoff D) the carrying capacity
Which of the following related to the promise of solar energy is incorrect?
A) The Earth receives 100,000 terawatts of solar energy per hour.
B) The energy produced by fossil fuels in the U.S. in a year is equivalent to 35 minutes of insolation.
C) The technology for solar energy is not yet available for widespread use.
D) Periods of cloudiness and night are current drawbacks to available solar technology.
Major precious metal deposits in Tasmania include gold and silver
Indicate whether the statement is true or false
Which of the following is NOT true of scientific theories?
A) They are based on natural laws (such as those pertaining to gravity, relativity, atomic theory, etc.). B) They are based on hypothesis testing. C) They are broad in scope because they unify known facts about the world. D) They are absolute truths and can never be proven wrong.