Which of the following is true regarding freshwater on Earth?
A) Most of it is in large lakes.
B) Most of it is frozen in glaciers and ice caps.
C) Most of it is in freshwater lakes, rivers, and streams.
D) Most of it is groundwater.
B
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When a beam of white light passes through a glass prism, it is separated into its component colors. What is this called?
A) diffraction B) dispersion C) selective scattering D) iridescence
Today, environmental regulations in the United States
A) require substantial scientific support and strong political efforts. B) require only substantial scientific support. C) are hopeless, with little support remaining and general reversals of many policies and regulations. D) are simply a matter of politics, with little effort to involve science and scientific data.
Continental rifts have a diverse suite of igneous rocks associated with them because melting occurs
A. only in the crust. B. only in the mantle. C. in the mantle and in the crust.
Salt-crystal growth (salt weathering) is prevalent in which climate type?
A) tropical B) polar C) microthermal D) arid E) mesothermal