Scientists estimate that about ____ of the energy used in the United States is unavoidably wasted.
A. 5%
B. 18%
C. 55%
D. 84%
E. 96%
Answer: D
Environmental & Atmospheric Sciences
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The confidence in a scientific theory is most related to ________
A) the reputations of the investigating scientists and their related universities B) the number of grants received to study the subject C) the amount of unbiased supporting evidence D) the number of publications that discuss the subject in question
Environmental & Atmospheric Sciences
At perihelion the earth is ________ closer to the sun than at Aphelion
A) 30% B) 3% C) 0.3% D) 0.000003%
Environmental & Atmospheric Sciences
What comprises a comet?
A. ice B. rock C. both ice and rock
Environmental & Atmospheric Sciences
Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time; this
phenomenon was called ____________________. Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences