Which common feature often contributes to the occurrence of rockslides in sedimentary rocks?
A. Columnar jointing
B. Foliation planes
C. Bedding
D. The stickiness of mud
Answer: C
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Climatic conditions affecting rural land use decisions of farmers include all of the following EXCEPT
A) soil type. B) soil fertility. C) slope. D) drainage. E) systems of agricultural production.
What is the average number of traffic deaths each year in the U.S.?
a) Under 4,000 b) About 10,000 c) About 30,000 d) Well over 100,000
Why is the surface area of a gecko's foot so extensive?
A. A gecko's foot acts like a large dipole and thus allows for ion-dipole interaction in water. B. A gecko, like all amphibians, needs extensive surface area under foot for stability on land as well as mobility in water. C. The greater the surface area, the greater the number of induced dipole-induced dipole forces of attraction that can occur between the gecko's foot and the surface. D. The extensive surface area, once charged by the gecko's body, allows for the dipole-dipole attraction of every contact surface.
A landslide requires a substantial amounts of water to saturate the mass of materials
Indicate whether the statement is true or false