Which of the following type of interaction is involved in the treatment of heavy metal poisoning?
A) hydrogen bonding
B) covalent bonding
C) hydrophobic interactions
D) salt bridges
E) metal ion coordination
D
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Which of the following is associated with an La Niña-ENSO phase?
A) reversal of the northeast trade winds B) higher pressure over the western Pacific and lower pressure over the eastern Pacific C) weakened upwelling in the Humboldt (Peru) current D) increased thermocline in the eastern Pacific E) cooler than normal sea surface temperatures in the eastern and central Pacific
Due to geology, some regions have to rely entirely on surface water. Which of the following is a common technique used to expand surface water supplies?
A. water diversions B. desalinization C. enhanced evaporation D. cloud seeding E. drilling wells
Mantle plumes create a chain of islands as the plume moves through a plate in a straight line
Answer the following statement(s) true (T) or false (F)
Differential weathering is controlled by _____
a. the angle of repose for different particle sizes b. variations in oxygen availability c. differences in rainwater chemistry d. variation in climate e. differences in rock type