How has sea level changed over the last few thousand years?
A) It has risen 1 cm per millennium.
B) It has remain constant.
C) It has fallen 25 cm per century.
D) It has risen about 10 cm per century.
How can subduction result in the emplacement of batholiths?
A) Partial melting of the mantle overlying the subducting plate creates magma.
B) Decompression melting of the plate creates magma.
C) Friction of descending plate creates magma.
D) Pillow basalts get subducted with plate and forced into overriding plate.
Where is the world’s largest tidal electricity power plant?
A) The California coast north of San Francisco
B) Annapolis River estuary, Maryland
C) Murmansk, Russia