In 1800, the United States was a semiperiphery country
Indicate whether this statement is true or false.
TRUE
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Tectonic plates are pieces of the ________ that float on the more fluid ________ below.
a) asthenosphere; lithosphere b) lithosphere; asthenosphere c) lithosphere; mesosphere d) mantle; crust e) crust; lithosphere
If a cartographer approached you claiming that she had produced the world's most accurate and useful world map, with none of the shortcomings of previous maps, why would you need to doubt her claims?
What will be an ideal response?
Judge the following sentence according to the criteria given below: Coral are not usually found close to areas where major rivers drain into the sea BECAUSE they require low turbidity and salt water
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Eutrophication is caused by ________
A) low pH B) mercury C) high levels of phosphorus D) high turbidity E) low dissolved oxygen