During occlusion a cyclone's low-pressure area
A) is closely associated with the cold front.
B) is closely associated with the warm front.
C) is directly under the upper-level trough.
D) all of the above
E) none of the above
C
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Jumbo drops from a high pole into water far below. When he is half-way down
A. his kinetic and potential energies are equal. B. he has gained an amount of kinetic energy equal to half his initial potential energy. C. his potential energy is halved. D. all of the above
Assuming a base temperature of 18°C, how many heating degree-days are there for a day with a maximum temperature of -1°C and a minimum temperature of -7°C?
A. 26 B. 24 C. 22 D. 20
The accompanying graph shows the number of violent tornados in the last 60 years. Based on when most global warming has occurred, one would conclude
A) global warming has had a major impact on the number of tornados.
B) global warming has had a major impact on the number of tornados in the early part of the century.
C) global warming has had a major impact on the number of tornados since 2000.
D) global warming has not had an impact on the number of tornados.
In order for structural damage to occur from swelling soils, a foundation must be located within the:
a. saturated zone b. unsaturated zone c. soil moisture active zone d. vadose zone