A proposed explanation for an event that can be tested is a:
A. Hypothesis
B. Scientific method
C. Scientific Laws
D. Scientific Theory
Answer: A. Hypothesis
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Meeting the new 2009 higher CAFÉ standards in the United States will result in
A) fewer coal-burning power plants. B) increased reliance upon wind and solar energy. C) increased reliance upon natural gas. D) better gas mileage and less air pollution.
Monarch butterflies are threatened by the loss of _____ that they need to feed on along their migration path.
A. corn plants B. soybeans C. apple blossoms D. clover E. milkweed
________ ________ is industrialization based on the manufacture of products for export
Fill in the blank(s) with correct word
Which fate of the universe is currently favored: Big Crunch or Big Chill?
What will be an ideal response?