Desalination plants, such as the one completed in Tampa Bay in 2008, ________
A) produce enough water for local agricultural crops such as corn
B) are needed to convert seawater into drinking water
C) are expensive and not a sustainable source of water, given today's technologies
D) produce water as inexpensively as groundwater supplies
B
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Explain why it is possible for the night-time minimum to occur as much as 30 minutes after the sun has risen.
What will be an ideal response?
The limbs of a syncline dip ________ the hinge line.
A. away from B. toward
Which of the following is not part of the U.N.'s Millennium Development Goals to reduce poverty?
A) eradicate hunger B) provide universal college education C) promote gender equality D) combat HIV/AIDS E) improve maternal health
Based on atomic size, which would you expect to be more soluble in water: helium, He, or nitrogen, N2?
A. Since He atoms are smaller, more of them can fit into solution, so it has a higher solubility in water. B. Although He is smaller, its outer orbital is filled and the atom will have little attraction to the water molecules. C. Nitrogen atoms are bigger and so nitrogen molecules should be more soluble in water due to greater dipole-induced dipole attractions. D. He atoms are bigger and so helium molecules should be more soluble in water due to greater dipole-induced dipole attractions.