Which theory did the study of cosmic background radiation disprove?
A. the big bang theory
B. the steady state model
C. the big chill model
D. the big rip model
E. the big crunch theory

The correct answer would be:

B.

the steady state model

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false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: