The major factor determining whether the thermohaline currents flow near the surface or on the bottom of oceans is
A) pH.
B) pollutants.
C) Hadley cells.
D) water temperature and density.
D
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When a rifle is fired, it recoils so both the bullet and rifle are set in motion. The rifle and bullet ideally acquire equal
A) but opposite amounts of momentum. B) amounts of kinetic energy. C) both A and B D) none of the above
The term "salinity" refers to the total quantity of ____
A) dissolved inorganic solids in water B) sodium chloride dissolved in the ocean C) chlorine in 1 kilogram of water D) chloride ions in ocean water
What type of atomic bond is shown in the figure above?
A) Hybrid B) Metallic C) Covalent D) Ionic
Determine whether the following scenario is an example of a point or non-point source of pollution. A local dry cleaning business is forced to close after it is discovered that it had been illegally dumping perchlorate (a toxic chemical used to dry clean clothes) into the local groundwater supply.
A. Point source B. Non-point source