Match the intrusive igneous rock with its extrusive equivalent
A) Basalt
B) Andesite
C) Rhyolite
1) Granite
2) Diorite
3) Gabbro
Answers: 1) C 2) B 3) A
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The rainshadow on the mountain in the diagram would be in the area marked
A. From A to B B. From C to D C. At A and at D D. At A and at B E. From B to C
Today, low-income people
A) tend to live in the center of European cities. B) are less likely to live in European inner-city neighborhoods. C) are only allowed to live in the inner cities of Europe. D) live only in a segregated part of the suburbs along major routes. E) pay higher taxes for the right to live in the inner cities.
____________________ refers to the volume of pore space in rock in proportion to the total volume of rock material
Fill in the blank(s) with correct word
Over time, dissolved magnesium concentration in a lake has reached equilibrium. Input is from streams draining into the lake; magnesium is removed by precipitation in lake sediments. If wastewater discharge upstream doubles the rate at which magnesium is delivered to the lake,
A. the BOD of the lake will be cut in half. B. the BOD of the lake will double. C. the residence time of magnesium in the lake will double. D. the residence time of magnesium in the lake will be halved.