Well preserved remains of many tiny organisms extend the record of life back beyond 5 billion years
Indicate whether the statement is true or false
FALSE
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What is the main reason for the large ecological footprint associated with urban sprawl?
A. gasoline powered cars B. diesel powered public buses C. motorcycles D. bicycle use
The Kara Kum desert lies within:
A) Afghanistan B) Turkmenistan C) Kazakhstan D) Kyrgyzstan
The largest source of anthropogenic greenhouse gases in the United States is ________, followed by ________
A) electricity generation; agriculture B) agriculture; transportation C) agriculture; electricity generation D) electricity generation; industry E) electricity generation; transportation
When are upper air winds fastest?
A) in winter B) in summer C) anytime surface temperature gradients are weak D) These winds maintain about the same speed throughout the year.