A graben is an upraised block bounded by two reverse faults
a. true
b. false
Ans: b. false
You might also like to view...
Thermal pollution is harmful to some organisms, but actually helps others survive
Indicate whether the statement is true or false
Air travel, the Internet, cheap fossil fuels and television all have allowed people to ________
A) live more densely packed into urban areas B) live in less centralized communities C) live within the UDB's demanded by smart city design D) return to an agricultural society E) consume less energy and materials
The amount of water in aquifers in the United States is
A. About the same amount as all surface water in the United States B. Only a small portion of surface water in the United States C. Over thirty times greater than all surface water in the United States D. Nearly as great as the amount of surface water in the United States E. Higher than all the Great Lakes together
Why are there so many more impact craters visible on the Moon than on Earth?
A. The Moon has been hit by many more meteorites than Earth, particularly the > 1 km diameter bodies that create the biggest craters. B. Craters on Earth can be destroyed by erosion and mountain-building processes, or obscured by vegetation or sedimentation. C. The Moon formed long before Earth formed, so has had more time to be hit by meteorites. D. The period of heavy meteorite bombardment of Earth occurred only when the planet was very young and entirely molten, so craters were not created. E. The Moon is made out of softer rock than Earth that is more readily deformed when impacted by meteorites. F. Because of gravitational effects, the Moon deflects many of the meteorites that would otherwise hit Earth.