The principal mineral used in making glass is:
a. quartz.
b. hematite.
c. talc.
d. copper.
e. gold.
quartz
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Going in order from the most significant to the least, greenhouse gases include
A) carbon dioxide, water, and oxygen. B) water vapor and carbon dioxide. C) nitrogen, oxygen, and carbon dioxide. D) oxygen and carbon dioxide.
The cutting of large trees in a natural forest and subsequent sale of the logs for timber, is an example of
A) the consumptive use of a natural resource. B) the productive use of a natural resource. C) the minimum sustainable yield of a resource. D) the carrying capacity of a population.
The study of the environmental characteristics of Earth is called what?
A) Human geography B) Physical geography C) Earth studies D) Environmental geography
As student doing a titration of HNO3 with sodium hydroxide wanted to use Clayton yellow as an indicator. Clayton yellow changes color at pH = 12.7. Which of the following will be true of this experiment?
A) The concentration of HNO3 will be reported as too high. B) The concentration of HNO3 will be reported as too low. C) The concentration of HNO3 will be reported correctly. D) The experiment cannot be done at all.