Which of the following is designed to prevent or retard shoreline erosion?
groin
seawall
beach nourishment
all of these
all of these
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The beach at Ipanema, Brazil, can be studied using tools
A) only from physical geography. B) only from human geography. C) from both human and physical geography. D) only from oceanography. E) from both metric and English systems of measure.
Though Khartoum and Urumqi both have dry BW climates, temperatures are much more variable for Urumqi. Why? 
A. Khartoum's latitude B. Urumqi's latitude C. Urumqi's rain shadow D. Khartoum's rain shadow
Inadequate health care for poor women during pregnancy is one of the reasons the United States has such a high____________________
Fill in the blanks with correct word
Three countries account for 50% of the world's industrial wood production for industrial purposes. Which of the following countries is not one of them?
A. China B. United States C. Canada D. Russia