Why are volcanoes NOT found at transform boundaries?
a) Transform boundaries cause increases in temperature that exactly offset decreases in pressure of the mantle.
b) Transform boundaries cause changes to the pressure, temperature, or composition of the mantle.
c) Transform boundaries do not cause changes to the pressure, temperature, or composition of the mantle.
d) Transform boundaries cause decreases in temperature that exactly offset increases in pressure of the mantle.
c) Transform boundaries do not cause changes to the pressure, temperature, or composition of the mantle.
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Soil degradation can also occur when mature soils are covered over by immature soils. Which specific kind of mining technique is causing this type of soil degradation in West Virginia?
A. mountaintop removal B. subsurface mining C. strip mining D. open pit
Read carefully through the following sentence and decide which of the options is correct. Analysis of
sea surface temperatures in the Indian Ocean indicates that changes in land-use practices in the Sahel of Africa were sufficient to cause desertification. a. The word "temperatures" should be replaced by "salinities." b. The word "Indian" should be replaced by "Atlantic." c. The word "land-use" should be replaced by "farming." d. The word "sufficient" should be replaced by "insufficient." e. The word "desertification" should be replaced by "drought."
Walking along the woods, a student spot a lizard that quickly runs under some leaves that are resting on the forest floor. Looking under the leaves to find the lizard, he notices that the soil is very moist despite several days without rain
This moist soil layer under the leaves is a result of A) humus with a high water-holding capacity and reduced evaporative loss in the O horizon. B) sand with a high water-holding capacity with water supplied from the B and E horizon. C) low infiltration and high evaporative loss in the B horizon. D) a low water-holding capacity of the lower soil layers and high evaporation through the top soil layers.
An announcement aimed at specific coastal areas that a hurricane poses a possible threat generally within 36 hours is called a:
A) hurricane watch. B) tornado watch. C) tornado warning. D) hurricane warning.