1. Earthquakes occur when there is a sudden release of stored up energy in Earths
a) inner coreb) B. outer core
c) C. upper mantle
d)D. lower crust
Answer: (c)
2. Earthquakes that occur along faults are created when ___________
a) a) Melted rock is erupted along the fault zone
Answer: (c)
2. Earthquakes that occur along faults are created when ___________
a) a) Melted rock is erupted along the fault zone
b) b) Stress builds up until rocks break
c) c) The earth shifts and moves along fracture
d)d) Answers b and c
Answer: (d)
3. Flash floods are often caused
a) by thunderstorms
Answer: (d)
3. Flash floods are often caused
a) by thunderstorms
b) dikes and dams that are too high
c) by rainfall over many days
d) by river beds that are too high
Answer: (a)
4. Higher level of floods and droughts are led by
a) sand storms
Answer: (a)
4. Higher level of floods and droughts are led by
a) sand storms
b) lower precipitation
c) higher precipitation
d) none of the above
Answer: (d)
5. How many feet of fast-moving flood water can sweep a vehicle away?
a) a. 3 feet
Answer: (d)
5. How many feet of fast-moving flood water can sweep a vehicle away?
a) a. 3 feet
b) b. 2 feet
c) c. 4 feet
d)d. 5 feet
Answer: (b)
6. How many inches of fast-moving flood water can knock you off your feet?
Answer: (b)
6. How many inches of fast-moving flood water can knock you off your feet?
a) a. 6 inches
b) b. 8 inches
c) c. 10 inches
d)d. 12 inches
Answer: (a)
7. In Australia, the most expensive natural disaster is:
a) (a) drought
Answer: (a)
7. In Australia, the most expensive natural disaster is:
a) (a) drought
b) (b) floods
c) (c) bushfires
d)(d) cyclones.
Answer: (b)
Answer: (b)
8. In Australia, the average annual cost of floods is around:
a) (a) $3.8 million
a) (a) $3.8 million
b) (b) $38 million
c) (c) $380 million
d)(d) $3.8 billion.
Answer: (c)
9. In northern hemisphere, the wind of the tropical cyclone blows in
a) A. Anticlockwise direction
Answer: (c)
9. In northern hemisphere, the wind of the tropical cyclone blows in
a) A. Anticlockwise direction
b) B. Clockwise direction
c) C. Straight
d)D. None of the above
Answer: (a)
10. If the seafloor is suddenly displaced upward, then what happens to the sea surface?
a) a. It will subside
Answer: (a)
10. If the seafloor is suddenly displaced upward, then what happens to the sea surface?
a) a. It will subside
b) b. It will remain unchanged
c) c. It will momentarily rise
d)d. Nothing will happen
Answer: (c)
Answer: (c)
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