When a galvanometer is calibrated to read current it is
A. a voltmeter.
B. an ammeter.
C. an ohm meter.
D. none of the above
Answer: B
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The vertical pressure gradient force is directed downward. Indicate whether the statement is true or false
The feature pictured below formed as
A) an island flanked by coral sank.
B) mass wasting caused the highest parts of a hill to move downslope until nothing was left in the middle.
C) oceanic seafloor spreading occurred in a circular pattern.
D) a recent explosive volcanic eruption left only the sides of the volcano remaining.
What is the source of most of the dissolved materials found in the ocean?
a. Outgassing b. Convection currents c. Dissolving and weathering of crustal rocks d. Biological activities
Large algae (seaweeds) growing attached to the bottom create a specialized environment for other marine organisms.
Answer the following statement true (T) or false (F)