Deep-ocean waters flow in an overturning circulation called ________.
A. thermohaline flow
B. down welling
C. Coriolis flow
D. bottom flow
E. up welling
Answer: A
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The atmospheric layer in which gases do not maintain a uniform composition is the ________
A) ionosphere B) homosphere C) troposphere D) heterosphere E) stratosphere
Which of the following is NOT a focus of environmental governance?
A. How we charge those responsible for violating environmental laws B. How we negotiate trade-offs between conflicting uses or values C. How we value ecosystems D. How we make sure the costs and benefits of our decisions are equitably shared E. How we form environmental policies
The fact that all life cells depend on saline water suggests that life evolved in the ocean
a. True b. False
Rip currents are dreaded by surf swimmers everywhere. The standard recommendation for swimmers is if you get caught in a rip current, swim parallel to the shore. Why?
A) This recommendation is wrong; you should swim with the current and wait for it to die away, then swim to shore because the currents dissipate quickly. B) This recommendation is wrong; you should swim toward the shore as fast as you can. C) It will carry you in the longshore current which will take you ashore. D) The current is moving offshore but is confined, so by swimming parallel to shore you can swim out of the current.