The formation of supercell tornadoes involves:
a. both horizontal and vertical rotation
b. horizontal rotation only.
c. no rotation.
d. vertical rotation only.
a
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Which biome is a hot, tropical grassland with scattered trees?
Boreal forest Desert Savanna Tundra
Sediment on the continental slopes has an average thickness that is greater than sediment on the continental
shelves. a. True b. False
To promote the international trade development model, most countries have joined the
A) International Monetary Fund (IMF). B) Organization for Economic Cooperation and Development (OECD). C) World Trade Organization (WTO). D) United Nations (UN). E) International Bank for Reconstruction and Development (IBRD).
Most recently, the official development assistance of the United States government
A) is about the same as contributions from all private organizations in the United States. B) as a percentage of GNI, is about the same as the country of Norway. C) was only 0.2% of GNI. D) has declined to levels below those a decade or more ago.