Surface currents move water vertically which thoroughly mixes the uppermost 400 meters of the
ocean's surface. Indicate whether the statement is true or false.
ANS: F
Surface currents flow horizontally. They are driven by wind friction. They are able to mix the
uppermost 400 meters of the ocean's surface. Information can be found in the section Surface Currents
Are Driven by the Winds
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The protolith (which is also called the Parent Rock) of metamorphic rocks can be: __.
a. Igneous rocks b. Sedimentary rocks c. Other metamorphic rocks d. Any one of the above
Gaucher's disease is associated with which of the following?
A) the inability of synthesize glucocerebrosides B) the inability to store sufficient glucocerebrosides C) an over accumulation of glucocerebrosides D) any of the above, depending on the patient
Many less-developed countries dump the majority of their untreated sewage directly into freshwater ecosystems.
Answer the following statement true (T) or false (F)
Compare two air parcels at sea level that have the same size but different temperatures. Which of the following describes the colder parcel of air?
A. The pressure is the same, but the density is lower than the warm parcel. B. The pressure is the lower, but the density is the same as the warm parcel. C. The pressure is higher, but the density is the same as the warm parcel. D. The pressure is the same, but the density is higher than the warm parcel.