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Directions: Read the passage, then answer the questions. Answer multiple choice questions by circling the letter of the answer that you select. Write your answer to the Read, Think, and Explain question on the lines provided.
1. Changes in precipitation over the tropical Pacific are related to:
A. High latitudes
B. Temperature increases
C. El Nino
D. Global warming
Answer: C
2. Global precipitation over land during the 20th Century has changed by what amount?
A. 10% increase
B. 10% decrease
C. 1% decrease
D. 1% increase
Answer: D
3. Changes in precipitation are consistent with changes observed in:
A. Lake levels
B. Oceanic temperature
C. River currents
D. Cloud types
Answer: D
4. Discuss the differences between precipitation, evaporation, and condensation.
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