Which factor is most likely to increase the risk for mass wasting?
A)cutting down trees
B)a loud noise
C)rocks that dip in a horizontal direction
D)rocks that dip in the opposite direction of the slope
E)an increase of shear strength
A
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The East African Community is an attempt at regional cooperation linking which of the following countries into one economic trading unit?
A. Uganda, Kenya, Tanzania. B. Kenya, Somalia, Ethiopia. C. Rwanda, Uganda, Malawi. D. Mozambique, Zimbabwe, Kenya.
What is luster?
An indication that a mineral has double refraction The color of a mineral A mineral's ability to transmit light through itself The color of a mineral in powdered form The quality of light reflected from a mineral's surface
The mineral in the image is quartz. Which of the following is true?
A. Since the mineral has irregular breakage, it must have good cleavage. B. The mineral must have specific planes along which atomic bonds are weaker than in other areas of the structure. C. The mineral has fractured, as it lacks planes along which it may cleave. D. Bonds within the mineral must have varying strengths.
What region of the United States has the highest summer dust concentrations?
A) northwest B) southwest C) northeast D) southeast