76. Molten rock below the Earth\'s surface is: A. Alluvium B. Magma C. Lava D. S

Question

76. Molten rock below the Earth's surface is: A. Alluvium B. Magma C. Lava D. Sediments E. Drift 77. Lava cools to form: A. Extrusive Igneous Rock B. Metamorphic Rock C. Sedimentary Rock D. All of the above 78. The rock family made from the changing of rock by heat, pressure, and/or chemical action without melting is:: A. Igneous B. Sedimentary C. Regolith D. Metamorphic E. Cambrian 79. The beauty of the Yosemite predominantly results from: A. block faulting B. explosive volcanism, lava flows, and igneous intrusions C. down cutting of streams through horizontal rock layers D. Glaciation 80. What period has the earth been in for the last 2 million years? A. Holocene B. Quaternary C. Jurassic D. Precambrian E. Paleozoic 81. Where seismic waves bounce: A. Moho B. Regolith C. Outer Core D. Lower Mantle E. Inner Core 82. The type of plate margin at the San Andreas Fault is: A. Strike-Slip B. Convergent with subduction C. Passive D. Divergent E. Convergent with collision 83. The process by which one lithospheric plate is forced up by another creating mountains A. Lithification B. Seismology C. Metamorphism D. Orogeny E. Rifting 84. The location directly above the point inside the Earth where an earthquake originates is the: A. Focus B. Hotspot C. Orogeny D. epicenter E. seismograph

Explanation / Answer

76) B.Magma

77) A. Extrusive Igneous Rock

78) D. Metamorphic

79) B. explosive volcanism, lava flows, and igneous intrusions

80) B. Quaternary

81) A. Moho

82) A. Strike-Slip

83) E. Rifting

84) D. epicenter

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