Two human activities, burning fossil fuels and ________, are important causes of the increase in atmospheric carbon dioxide.
Correct Answer:
Verified
Q55: Match each definition to the correct term
-Most
Q56: The _ cycle normally has no atmospheric
Q57: Match each definition to the correct term
-This
Q58: Why is it wiser (ecologically and economically)
Q59: How has human activity added to eutrophication
Q61: A developer plans to chop down several
Q62: PCBs were frequently used in electrical transformers.
Q63: A visitor to an American tropical forest
Q64: While a backhoe operator is helping to
Q65: What are the benefits of maintaining biodiversity?
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