Some city water treatment facilities combine storm water and sanitary sewage systems
During heavy storms, these treatment facilities may be overwhelmed with water, and untreated storm water mixes with sewage and flows directly back into the streams and rivers, where treated water usually returns. What might be the best way to address this problem? A) Not collecting rainwater in storm sewers and let it just accumulate on the roads
B) Collecting and treating storm sewer and sanitary sewage systems separately
C) Draining the sewage system onto a field near the stream or river
D) Using the excess sewer water as a source of water for the city
B
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Considering light that passes through ice crystals, which of the following describes the colour of the wavelength that bends the least, and where this colour appears in halos or sundogs?
A. Blue wavelengths bend the least, and blue appears on the inside of halos or sundogs. B. Red wavelengths bend the least, and red appears on the outside of halos or sundogs. C. Red wavelengths bend the least, and red appears on the inside of halos or sundogs. D. Blue wavelengths bend the least, and blue appears on the outside of halos or sundogs.
Choose the option that puts the minerals in order of formation from low-grade metamorphism to high-grade metamorphism
A) garnet, feldspar, muscovite B) chlorite, garnet, biotite C) biotite, muscovite, staurolite D) chlorite, feldspar, staurolite
First-order analysis of a seismogram record allows seismologists to do all but which of the following?
A. to identify the different kinds of seismic waves generated by the fault movement B. to locate the epicenter and hypocenter C. to estimate the amount of energy released (magnitude) D. to develop a Modified Mercalli Intensity map
Karst topography is formed primarily by
A) carbonation and solution. B) mass wasting processes. C) oxidation and hydrolysis. D) exfoliation and hydration.