What happens to the water table if groundwater is pumped out faster than it can be replaced?
A) A mound of groundwater forms over the well.
B) The pipe in the well subsides down into the ground and can disappear.
C) A cone of depression forms on the water table.
D) All of these are correct.
C) A cone of depression forms on the water table.
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Japan separated from mainland Asia due to spreading in a back-arc basin, which is now the Sea of Japan
a. True b. False
What are dropstones, and what do they indicate? What will be an ideal response?
The origin of submarine canyons is not well understood but is most likely to be ____
A) erosional, caused by a combination of stream erosion and turbidity currents B) tectonic, representing down-folds of rock within the continental shelf C) organic, resulting from the activities of burrowing organisms D) glacial, through the process of depositing rock debris from melted ice on the shelf
Marketing of which of the following non-native marine species by the aquarium industry is causing problems worldwide?
A) Atlantic comb jelly Mnemiopsis leidyi B) Seaweed Caulerpa taxifolia C) European green crab Carcinus maenas D) Atlantic cordgrass Spartina alterniflora E) European zebra mussel Dreissena polymorpha