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What two pollutants are the primary causes of acid precipitation?
Q6: The Huygens probe of the ESA made
Q13: Coral reef populations are threatened by all
Q15: The ozone layer is in what layer
Q19: A solar _ is a sudden, violent
Q21: Your cousin lives near a nuclear power
Q25: Discuss the objective and success of the
Q31: When a commodity is in short supply,
Q32: Which of the following is an example
Q123: Europa is covered with an ocean of
Q137: In terms of dark, smoother maria and