Western boundary currents such as the Gulf Stream transport warm water from the tropics towards higher latitudes.
a. true
b. false
Answer: a. true
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At the same latitude, a continental climate is usually more extreme than a marine climate
Indicate whether the statement is true or false
A low-tide terrace forms ________.
A. along the trough B. seaward of the offshore bar C. next to the lower beach scarp D. between high and low water E. below the beach face
The oxygen, O2, and hydrogen sulfide, H2S, molecules are about the same size and they also have about the same degree of polarity. This helps to explain why
A) the body survives when breathing H2S just about as well as it does when breathing O2. B) H2S is such a smelly compound while O2 has no smell. C) the Earth's ancient atmosphere was once abundant with H2S. D) cells absorb H2S just as easily as they absorb O2.
What is the minimum number of oxygen atoms present in a hemiacetal?
A) 0 B) 1 C) 2 D) 3