Question

The west coast of California is underlain by rocks that represent ________. a collisional orogenic belt an ancient volcanic arc an ancient Forearc Basin and accretionary wedge an oceanic plateau

Answer 1

The answer is: an ancient Forearc Basin and accretionary wedge

Step-by-step explanation:

Forearc basin is a formation that is considered to be closely associated with accretion or erosion at frontal and basal parts of accretionary wedge.