The age of the oceanic crust in the Pacific is ____
A)all uniform
B)asymmetric
C)older in the middle
D)older than the Cretaceous
E)older than the Paleocene
B
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What geological process created the Grand Canyon?
A) wave erosion B) groundwater erosion C) stream erosion D) glacial erosion
The primary disadvantage of fracking is the ____
a. large-scale nature of shale deposits b. high cost of development c. potential for groundwater pollution d. large quantities of water used e. noise effects of drilling equipment on nearby homes
APHIS oversees both
A) organic and USDA Organic certifications. B) agricultural bioterrorism and safety of GM organisms. C) regulation of pesticides and herbicides. D) the U.S. Departments of Agriculture and Food Security.
Salinity values in the open oceans are highest near the tropics.
Answer the following statement true (T) or false (F)