In 1960,the Earth carried 3 billion people and 127 million motor vehicles.Today,with more than _____ people,it has more than _____ motor vehicles.
A) 4 billion; 10 billion
B) 5 billion; 7 billion
C) 5 billion; 5 billion
D) 7 billion; 1 billion
Correct Answer:
Verified
Q7: A source of hope for a sustainable
Q8: Policies that would curb individual consumption require
A)further
Q10: Support for new energy policies that aim
Q10: There is now strong evidence that significant
Q11: Those who are optimistic about the future
Q14: Which of the following is an evidence
Q15: Myers noted that changing the consumption levels
Q16: Which of the following is one way
Q17: In developing nations where food security has
Q20: A source of hope for a sustainable
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