The white granite of the Idaho Batholith near Boise, Idaho, contains dark gray xenoliths of metamorphic material. Which is older? How do you know?
A) Granite; the principle of superposition
B) Xenoliths; the principle of cross-cutting relations
C) Granite; the principle of unconformities
D) Xenoliths; the principle of inclusions
Answer: D
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What New Zealand species was hunted to extinction by the Maori?
A) kauri B) beech C) kiwi D) moa E) none of the above
Breakwaters alter beaches by ____
A) diverting sand away from boat anchorages that the breakwater was built to provide B) interrupting the progress of waves to the beach and weakening the longshore current C) allowing freshwater to flow readily into the ocean D) filling in bays or inlets
We can adjust to natural hazards.
Answer the following statement true (T) or false (F)
In landslide-prone areas, whether a given rainstorm will cause sliding may depend, in part, on the amount of rainfall in the recent past, too.
Answer the following statement true (T) or false (F)