You buy land in the tropics on steep mountain slopes covered by large trees and deep soil. You want to build a house on the land. Which of the following building plans is a very bad idea because of the danger of triggering mass wasting?

A) Sell the land because it will always be prone to mass wasting.
B) Excavate a flat bench on the slope for the house, pushing the debris to the slope below and leave a cut bank above the flat bench with grass planted on the steep slope.
C) Excavate the soil from the building site, install drainage systems, and backfill with gravel to prevent water accumulation.
D) Terrace the slope, building on the terraces, and constructing a rock retaining well with voids to allow drainage of water.


B

Environmental & Atmospheric Sciences

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Air masses have both horizontal and vertical extent; consequently, the upward extension of a front is referred to as a(n) ____________________ or ____________________.?

Fill in the blank with correct word

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The geocentric model of the Universe placed the Earth at the center of the Universe, while the heliocentric model placed the Sun at the center. So the two concepts are opposite to each other.

a. true b. false

Environmental & Atmospheric Sciences

The total amount of energy stored in an object is called

a. potential energy b. kinetic energy. c. heat. d. temperature e. pressure

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In the United States, we use many times greater amounts of rock resources, like sand and gravel, than we do of metals like iron and copper.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences