About one hundred years ago, cities began to address the problems of sewage disposal by dumping sewage into nearby rivers via storm water drainage systems. One of the results of this strategy was that
A) cities no longer needed to treat drinking water that was drawn from nearby river systems.
B) the quality of the water in the local rivers and streams greatly improved.
C) people living upriver of these cities were more likely to experience contamination of their drinking water sources.
D) people living downriver of these cities were more likely to experience contamination of their drinking water sources.
D
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In recent years, the global movement of money has been enhanced primarily by
A) establishment of new stock exchanges in London, New York, and Tokyo. B) improvements in electronic communications. C) relocation of production from core to peripheral regions. D) uneven development of national banking sectors. E) safeguards to ensure that economic recessions do not result from bank policies.
Glycogen is structurally similar to which of the following?
A) amylopectin B) amylose C) cellulose D) none of these
The water molecule is a polar molecule which means that ________.
A. it has a slightly negative and a slightly positive side B. it has extremely high viscosity C. it forms a crystal lattice while still a liquid D. it is spherical E. it has low heat capacity
Except in the rainy tropics, virtually all needleleaf trees are ________
A) evergreen B) deciduous C) succulents D) annuals E) extinct