How does mining affect soils?
What will be an ideal response?
Mining, particularly strip mining, is devastating to soil. When strip mining occurs it leaves the landscape looking like that of the Moon; deprived of topsoil and in need of complete restoration.
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Which of the following categories includes the others?
A. human capital B. natural resources C. economic resources D. manufactured capital E. energy resources
Which carbon sequestration strategy has the highest probability of success?
A. restoring natural forests B. dumping iron powder in the oceans C. converting CO2 to MgCO3 D. injecting CO2 into beneath the ocean floor
An example of artificial selection is the
A. fact that all mammalian limbs are made up of the same set of bones. B. breeding of corn from teosinte. C. observation that some snakes retain tiny, incomplete hind legs. D. evolution of antibiotic-resistant bacteria.
Explain the features that make dinoflagellates different from other phytoplankton. What will be an ideal response?