When did the harvesting of commercial whale species cease?
A) When the International Whaling Commission formed
B) When there were substitutes for the products produced from whales
C) When the hunting of whales became uneconomical
D) All of these choices
C
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Glassy igneous rocks form when magma cools too fast for mineral grains to grow
Indicate whether the statement is true or false
Which migration route is not correct?
A. Sperm-between the coast of Maine and Greenland B. Humpback-between Hawaii and the Gulf of Alaska C. Bowhead-between the Bering and Chukchi seas D. Narwhal-between Greenland and Arctic islands E. California gray-between Mexico and the Bering Sea
We are currently experiencing a hot-house climate.
Answer the following statement true (T) or false (F)
List some of the reasons that urban dwellers move to the suburbs
What will be an ideal response?