Why do waves expend so much energy on a rocky headland?
A) Waves reflect off the headland and amplify the incoming waves.
B) Wave velocity is greater on headlands than on beaches.
C) Waves refract toward the headland on both sides.
D) Headlands tend to have deeper water surrounding them, so the waves are higher.
C
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Judith Carney has documented the introduction of this plant by African slaves to the Americas, leading to its eventual global popularity
A) Sorghum B) Millet C) Corn D) Rice E) Yams
Flow in streams is always:
a. turbulent b. laminar c. both a and b d. neither a nor b
What type of plate boundary is depicted in this figure?
A. ocean-continent convergent boundary B. transform boundary C. ocean-ocean convergent boundary D. continental collision boundary E. oceanic divergent boundary
What is NOT a way that wave erosion can occur or is enhanced?
A. notches cut into bases of cliffs B. chemical reactions with seawater C. storm amplified wind and wave power D. impact of air in coastal rock cracks E. formation of extensive coastal dunes