Oblique waves produce longshore currents, whose flow direction is:
a. perpendicular to the coast
b. parallel to the coast
c. oblique to the coast
d. following arbitrary angles
Answer: b. parallel to the coast
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During the cold phase (La Niña)
A. lower than normal pressures form across the southern U.S. B. higher than normal pressure are typically centered over Hudson Bay. C. higher than normal pressures form across the southern U.S.
Which of the following will contribute to water conservation?
A) washing dishes by hand B) using aerial sprays for crop irrigation C) planting non-native wetland plants for landscaping D) watering lawns during peak sunlight hours, when plants need water most E) watering lawns at night, using low-flow faucets, and landscaping with native plants
An island arc forms where ____
a. oceanic crust collides with continental crust b. oceanic crust diverges from continental crust c. continental crust collides with continental crust d. continental crust diverges from continental crust e. oceanic crust collides with oceanic crust
This figure shows a northwest-southeast line of islands and seamounts near Hawaii. If location 3 has the oldest rocks and Hawaii (1) has the youngest rocks, which way is the plate moving with respect to the hot spot?
A) Northwest
B) Southeast
C) Northwest and southeast
D) It is not moving in a consistent direction.