Determine the length of sewer mains that must be replaced each time the
ground subsides ?.? meters by multiplying the total length of sewer mains
in the subsiding area (from question ??) by ??% (?.??). Round your
answer to the nearest whole number. What will be an ideal response?
157,766 x 0.80 = 126,213 m
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Gravity does no work on a bowling ball that travels along a bowling alley because
A. no potential energy converts to kinetic energy. B. no distance is covered by the ball. C. the force on the ball is at right angles to its motion. D. no force acts on the ball.
Which of the following best describes what would happen in a community with increasing air and water pollution problems?
A) The economy of the region would decline. B) The unemployment rates would decrease. C) The health care would become less important. D) The population would increase.
About what percent of thunderstorms in the United States become severe?
A) 10% B) 50% C) 20% D) 25%
How are pyroclastic flows created and why are they dangerous?
What will be an ideal response?