Which of the following structures does not cause problems with interactions with longshore drift?
a. breakwater
b. jetty
c. groin
d. seawall
d
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________ elements make up 98% of the Earth's crust.
A. Twenty B. Eight C. Ninety-two D. Fourteen E. Two
A farmer with 1,000 acres desires to reduce soil erosion on her land. Her acreage is open fields on a steep mountain slope. What is her best option to reduce erosion?
A. terracing B. alley cropping C. strip cropping D. contour farming E. leveling the mountain
What kind of generalization can you make about the relationship between latitude and annual variation in insolation?
What will be an ideal response?
When considering hydrothermal deposits, vein- or fissure-filling deposits of metallic ores such as gold or silver are common in ________
A) rocks of a contact-metamorphic zone that formed around a shallow granite pluton B) pyroclastic materials erupted from a stratovolcano C) impact structures from meteorites D) rocks that form in high-pressure subduction zones