Which is the highest grade and most carbon-rich coal?

A. peat
B. anthracite
C. lignite
D. bituminous


Answer: B

Environmental & Atmospheric Sciences

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The cost of transporting raw materials in the manufacture of steel is unimportant in considerations of where to locate a steel mill

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Residence time is ________

A) the chemical change that occurs with time, when substances alter the growth and development of humans B) average length of time a molecule of a substance spends in the environment C) the length of time it takes for chemicals to be stored in the tissues of living organisms D) the chemical change that occurs with time, when substances are altered by the sun or metabolized by microorganisms E) the length of time it takes to produce toxic chemicals in the environment

Environmental & Atmospheric Sciences

A wave first begins to break against the shore when the ratio of wave height to water depth is about 1:2

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Describe some of the possible ocean energy sources

What will be an ideal response?

Environmental & Atmospheric Sciences