Tectonic foliation forms when grains flatten, rotate, or grow so that they align parallel with one another.
a. true
b. false
Ans: a. true
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During times when precipitation exceeds potential evapotranspiration,
A) there cannot be a deficit.
B) extra water goes into soil-water recharge if the soil is below field capacity.
C) water may go into deep percolation as groundwater.
D) All of these are correct.
If the concentration of carbon dioxide in the atmosphere increases, Earth's average global temperature will
A) increase. B) decrease. C) stay the same. D) fluctuate wildly.
Which of the following is true of urban retailing?
A) Historically, urban residents bought food and other daily necessities at small neighborhood shops in the midst of housing areas. B) Historically, grocery stores have always been outside the CBD. C) Historically, all the large clothing stores preferred to set up shop in large suburban malls. D) Historically, gangs made stores in the CBD pay "taxes" (protection money) to them. E) Because of lower taxes, historically, large retail businesses preferred to locate in tall buildings.
Which of the following was not associated with the 1980 eruption of Mount St. Helens?
A) The filling in of the river shipping channel B) The end of life in the local ecosystem for at least 1,000 years C) The change of rivers to which salmon come to spawn D) The deaths of 70 people E) The destruction of many lakes