After a snow or ice fall, the City streets are treated with ordinary rock salt. In some areas, the salt is combined with calcium chloride, which is more effective in below-zero temperatures and which melts ice better. This combination of salt and calcium chloride is also less damaging to foliage along the roadways. 16. In deciding whether to use ordinary rock salt or the salt and calcium chloride mxture on a particular street, which of the following is NOT a consideration? a. the temperature at the time of treatment b. the plants and trees along the street c. whether there is ice on the street d. whether the street is a main or secondary road

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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After a snow or ice fall, the City streets are treated with ordinary rock salt. In some areas, the salt is combined with
calcium chloride, which is more effective in below-zero temperatures and which melts ice better. This combination of
salt and calcium chloride is also less damaging to foliage along the roadways.
16. In deciding whether to use ordinary rock salt or the salt and calcium chloride mxture on a particular street,
which of the following is NOT a consideration?
a. the temperature at the time of treatment
b. the plants and trees along the street
c. whether there is ice on the street
d. whether the street is a main or secondary road
Transcribed Image Text:After a snow or ice fall, the City streets are treated with ordinary rock salt. In some areas, the salt is combined with calcium chloride, which is more effective in below-zero temperatures and which melts ice better. This combination of salt and calcium chloride is also less damaging to foliage along the roadways. 16. In deciding whether to use ordinary rock salt or the salt and calcium chloride mxture on a particular street, which of the following is NOT a consideration? a. the temperature at the time of treatment b. the plants and trees along the street c. whether there is ice on the street d. whether the street is a main or secondary road
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