What is the angle of repose for a slope? What forces are acting? What numerical value does this angle
have? What will be an ideal response?
A slope's angle of repose is the steepest angle it can maintain without collapsing. At this angle, the
shear strength of the slope's material exactly counterbalances the force of gravity. For unconsolidated
material, the angle is around 25 to 40 degrees. If the slope is greater than 40 degrees, it is likely made
of solid rock.
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Which of the following is a weakness of the Paris Agreement?
A. Most countries are not making commitments. B. For countries to meet their commitments they will need to spend huge amounts of money to improve energy efficiency. C. The goal of keeping global temperature to no more than 2°C will cause many countries to withdraw from the agreement. D. All of these are correct statements.
________ explains how services are distributed and why a regular pattern of settlements exists, at least in developed countries such as the United States
A) The Von Thünen model B) The Concentric model C) Central place theory D) The sector model E) The distance tolerance model
About two-thirds of the Latin American population lives along the South American Rimland
Indicate whether the statement is true or false
A flammable vapor concentration that is too rich to ignite is _____.
a. Below the lower explosive limit b. Above the upper explosive limit c. Between the lower explosive limit and the upper explosive limit d. Below the upper explosive limit