How accurate the information is.
Probably plate tectonics because volcanos are formed from divergent boundaries
IT should be <u><em>C. SCREDEIVERS</em></u>
Taxation can help the activities of a particular group in the sense that they limits competition or encourage it whether it is a producer or consumer groups.
tax expenditure amount to subsidy because they lead to exemptions or deductions and reduction of credits targeted to a particular or specific group, for example medicare.
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