Where does the sand on a beach come from?
What will be an ideal response?
The sand at the beach is produced locally by wave erosion, delivered to the shoreline by streams and blown in by wind.
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Which one of the following reduces net GDP?
A) A coal-fired power plant that pollutes the air B) Manufacture of products to clean polluted water C) Clear-cutting and logging of 1,000 acres of pine trees D) Degradation of farm equipment
Which of the following is true about tectonic activity in the Middle East?
A) the region near Turkey is prone to earthquakes B) the Zagros fold is located between the Arabian and Eurasian plates C) the Red Sea was created from a rift valley in the Arabian plate D) all of the above E) none of the above
The Antarctic Treaty divides the continent into eight zones, with each of the G-8 countries responsible for one zone
a. True b. False Indicate whether the statement is true or false
There are 48 time zones, each approximately 7.5° in width
Indicate whether the statement is true or false