Environmental Science, 10th Edition (Cunningham)

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Overview: Tuvalu, p. 34

1			The shape of an atoll can be described as being
			A)	typical of many islands – a spherical piece of earth surrounded by water.
			B)	an elongated island formed by a ridge of volcanoes.
			C)	an expansive, wide island with low topography.
			D)	a thin, low- elevation ring of land with a big lagoon in the middle.
			E)	a crescent-shaped island with a steep cliff on one side.
2			Find the island containing Fongafale, the nation’s capital. (Hint: Turn on island names in the borders layer.) About what proportion of this island is high and dry enough to be habitable (visible as green areas and developed areas)?
			A)	None – there are not habitable areas visible.
			B)	Almost none – there is very little habitable area on the island.
			C)	About half of the island is habitable.
			D)	Almost the entire island is habitable.
			E)	The entire island is habitable, except for the beaches.
3			Zoom in close to the town of Fongafale. What is the long, straight gray strip in that town?
			A)	The major highway of the town
			B)	An airstrip for planes
			C)	The central government building of the island
			D)	A dirt road
			E)	A very long plaza for community events
4			What would happen to the town if the dark lagoon next to the airstrip were to rise a meter or so and flood the airstrip?
			A)	Plane landings would be a lot trickier.
			B)	Planes would no longer be able to land, leaving only boats to ferry people and materials to and from the island.
			C)	Plane landings and departures would have to be timed with the low tides.
			D)	It would not affect travelers significantly.
5			Find your measuring tool (look under the View menu at the top of the window, if it’s not already visible). How far is it to Suva, the capital of Fiji (the nearest populated island group) and how far is it to the nearest continent?
			A)	1000 km, 3300 km to Australia
			B)	3000 km, 1000 km to Australia
			C)	500 km, 1500 km to Japan
			D)	750 km, 2000 km to Japan
			E)	1250 km, 3000 km to Hawaii