How is water purified in more developed countries like the United States?
What will be an ideal response?
Water is stored in a reservoir for several days so that particles can settle and oxygen levels can rise. This improves the clarity and taste. Next the water travels to a treatment facility where it is purified to meet government standards.
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Storm surge
A) increases as the hurricane's pressure increases. B) is least dangerous in bays and inlets. C) paradoxically does more damage a kilometer inland than on the coast itself. D) is increased by the drag of high winds on surface waters.
Assume this house is located in central Alaska. What did this house do to the local landscape to end up so misaligned?
A) The house shifted because of a mudflow. B) The weight of the house generated a debris flow. C) A rockfall knocked the house off its foundation. D) Heat from the house melted the permafrost below.
Latent heat that is the energy source for many storms can be transported by ________
A) carbon dioxide B) water vapor C) ozone D) aerosols E) dust
Which solstice or equinox in the northern hemisphere occurs when solar insolation is a maximum at the Tropic of Capricorn?
A) Winter B) Spring C) Summer D) Fall