What are two pieces of evidence that support the big bang Theory?
A. red shift of light...
What are two pieces of evidence that support the big bang Theory?
A. red shift of light and cosmic background radiation
B. red shift of light and the different shapes of galaxies
C. planetary motion and cosmic background radiation
D. planetary motion and the different shapes of galaxies
Answers: 3
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Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist
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Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
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What are some natural processes that represent physical and chemical changes?
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