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Scientists are monitoring the pH of oceans. Which of these are they most likely studying?

A. The level of carbon dioxide in the air
B. The population of polar bears
C. The health of coral colonies
D. The rise of sea level

2 Answers

6 votes

Answer:

A

Explanation:

A or The level of carbon dioxide in the air

User Steve Huston
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2 votes

Answer:

A

Explanation:

User JMiguel
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