What kind of flow is important in driving the ocean surface currents?
A) Wave frequency
B) West Wind Drift
C) Progressive waves
D) Stokes drift
Question 2
Which of the following statements is true regarding sound in the ocean?
A) Sound is scattered as it bounces off suspended particles in the water.
B) Sound intensity increases as it moves through the ocean because of absorption.
C) The speed of sound in the ocean is ten times less than the speed of sound in air.
D) The speed of sound in the ocean decreases as temperature increases.
The age structure of human populations in West Africa and Western Europe, as of 2000.
The path of blood flow through the chambers of the left and right side of the heart, including the v
The continents were not always in their present positions. The position of the continents is importa
Animal carcasses like this South African wildebeest provide important nutrition for both hunters and
A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street
Bird being tested for West Nile virus.