The white arrow in this cross-section points to an unconformity (black line). What kind of unconformity is it?
A) disconformity
B) angular unconformity
C) nonconformity
D) dike
Answer: B
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Which wind belt is located at letter D?
A) Polar Easterlies
B) Westerlies
C) Northeast Trade Winds
D) Southeast Trade Winds
The points on this figure mark the locations of groundwater observation wells. The numbers refer to the elevation of the water table above sea level. Using this information, determine the direction of groundwater flow in this region
Assume that the top of the figure is north. A) Northeast B) West C) South D) Southwest
What are the three steps for precipitation to become water in streams?
a. Sheetflow ? rills ? streamflow b. Rills ? sheetflow ? streamflow c. Rills ? streamflow ? sheetflow d. Sheetflow ? streamflow ? rills
What is the name of a Phanerozoic era that means ancient life?
What will be an ideal response?