One technique used to prevent rockfalls along highways is to ________.
A. remove slide-prone rock
B. cover with a shed
C. spray the exposed roadside with cement
D. step the slope back
E. All of the answers are correct.
Answer: E
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Currently, spent fuel rods used to power nuclear reactors are
A. stored outside of the reactor in water-filled pools and years later, in dry casks. B. sent to a national repository. C. placed in metal drums and dumped deep in the ocean. D. loaded into rockets and shot into space. E. treated chemically to speed up the progression of half lives.
Determine the gross force needed to bring a car that is traveling at 110 km/h to a full stop in a distance of 100 m. The mass of the car is 2,100 kg. What happens to the initial kinetic energy? Where does it go or to what form of energy does the kinetic energy convert?
What will be an ideal response?
Which feature of the general circulation of the atmosphere explains the band of clouds near the equator?
The question is based on Figure 20-4, infrared images of Africa taken 9 hours apart. What will be an ideal response?
Sometimes fog will form over the pavement after a summer rain shower. What type of fog is this?
What will be an ideal response?