Fractures that are simple cracks where the rock has pulled apart by a small amount are
A) joints.
B) beds.
C) faults.
D) cracks.
A) joints.
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When crude birth rates are higher than crude death rates, the difference between them is known as the
A) infant mortality rate. B) infant natality rate C) total fertility rate. D) natural decrease. E) natural increase.
New buildings that receive the energy star rating are recognized for
A) using solar or geothermal energy for at least 30% of the building's energy needs. B) using solar power for at least 50% of the building's energy needs. C) using wind power for at least 20% of the building's energy needs. D) using 40% less energy than other buildings in their class.
In Edmonton, Alberta, Canada, glass is ________
A) incinerated B) composted C) recycled into reflective paint and signs D) melted down to make light bulbs E) dumped at landfills
A downside of high-resolution models is that, as the horizontal spacing between grid points decreases, the number of computations increases. When the distance is halved, there are 8 times as many computations to perform, and the time (and computational expense) required to run the model goes up by a factor of 16
a. True b. False