Name: ID: B 93. Which of the following situations may lead to slope failure? a·

Question

Name: ID: B 93. Which of the following situations may lead to slope failure? a· b. e. d. the addition of a small amount of water to a slope installing a chain-link fence over a slope undercutting a slope by a bulldozer regrading a steep slope to create a gentler slope 94. Karst terrain forms in areas that are covered in which type of rock? a. basalt b. sandstone e. limestone d. mudstone 95. Recharge areas for artesian wells and springs are generally in the a. desert b. mountains. c. ocean. d. flatlands. 96. During the last ice age, aB glacier covered much of the northern United States. a. piedmont b. cirque C. mountain d. continental 97. A relatively impermeable layer of rock or sediment is termed a(n) a. aquitard b. confined aquifer in hydrogeologic contexts. c. unconfined aquifer d. unsaturated zone 98. Why does adding a small amount of water to a substance increase its cohesion but adding a lot of water decrease its cohesion? a. A small amount of water decreases surface tension, allowing the grains to bond together whereas too much water will increase surface tension and force the grains away f each other b. A small amount of water increases surface tension and holds the grains together. Too much water between the grains will eliminate surface tension. Water has a small electrostatic force that disrupts the gravitational attraction of the grains and forces them to move away from each other. A small amount of water will precipitate cement into the pores of the material, whereas c. d. too much water will not allow that cement to form. The shallowest portions of an ocean found along the margins of continents are the a. abyssal plains. b. continental rises. c. continental shelves. d. continental slopes. 99. Wind blows finer particles long distances from glacial environments, where they settle out to form a. firn. b. loess 100. c. outwash.

Explanation / Answer

Q.93) Which of the following situations may lead to the slope failure ?

Ans. C. undercutting a slope by a bulldozer.

Among the given options, this is the reason which leads to the slope failure.

Q.94) Karst terrain forms in areas that are covered in which type of rock ?

Ans. C. Limestone.

Karst terrain is generally associated with the areas that are covered by limestones.

Q.95) Recharge areas for artesian wells and springs are generally in the

Ans. b. Mountains.

Q.96) During the last ice age, a ______ glacier covered much of the Northern United States ?

Ans. d. Continental.

Q.97) A relatively impermiable layer of rock or sediment is termed a(n) ________ in hydrologic contexts.

Ans. a. Aquitard.

Q.98) Why does adding a small amount of water to a substance increase its cohesion but adding a lot of water decrease its cohesion ?

Ans. b. A small amount of water increases surface tension and hold the grains together. Too much water bwtween the grains will eliminate the surface tension.

Q.99) The shallowest portions of an ocean found along the margins of continents are the

Ans. c. Continental shelves.

This is the shallowest portions of an ocean.

Q.100) Wind blows finer particles long distance from glacial environments, where they settle out to form

Ans. a. Firn

Thats all

Thank you.

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