A small city's sewage-treatment plant orders a 55-gallon drum of isopropyl alcohol to be used to prepare cleaning products. However, when the drum arrives, it contains methyl alcohol, which they cannot use
The manager says to reorder and get the correct alcohol. The workers wonder what to do with the unusable 55 gallons of methyl alcohol that arrived by mistake. Someone suggests just dumping it into the nearby stream. Another worker disagrees, noting that to legally dispose of the 55 gallons of methyl alcohol, they need to A) dump the alcohol into their sewage treatment tanks, which then drain into the stream.
B) mix the alcohol with gasoline to make it safer, and then dump it into the stream.
C) get a discharge permit, mandated under the CWA, to allow them to dump it into the stream.
D) flush the alcohol into the stream using thousands of gallons of water to dilute it.
C
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What is the colligative property that deals with the freezing point of water?
a. Sea ice forms at a higher temperature than freshwater ice. b. Salinity disrupts the hydrogen bonding in water and increases the freezing point. c. Salt crystals become incorporated into ice as it forms causing the temperature to increase. d. Salinity disrupts the hydrogen bonding in water and acts as a type of antifreeze. e. Lake ice forms at a lower temperature than sea ice.
________ is best defined as the knowledge, beliefs, values, and learned ways of life shared by a group of people
A) Worldview B) Niche C) Economics D) Culture E) Habitat
In Mediterranean climates such as in parts of California, Australia, and South Africa, frequent wildfire is necessary for the health of natural plant communities because ________.
A. many of the plant species must have the smoke and/or heat of fire to germinate their seeds and it helps to control parasites and it influences insect behavior B. it helps to control parasites C. it influences insect behavior D. it controls seasonal variations of solar albinism E. many of the plant species must have the smoke and/or heat of fire to germinate their seeds
Doppler radar detects motion within a supercell thunderstorm using the Doppler effect, which states that
A) Immobile objects will result in an increase in wavelength. B) objects moving away from the transmitter will result in an increase in wavelength. C) objects moving toward the transmitter will result in an increase in wavelength. D) objects moving away from the transmitter will result in an decrease in wavelength.