Which of the following statements about mining is true?
AMining has no long-term effects on the Earth.
BMining is unimportant to the economy.
CMining has no ecological impact.
DMining allows useful minerals to be extracted from the Earth.
AMining has no long-term effects on the Earth.
BMining is unimportant to the economy.
CMining has no ecological impact.
DMining allows useful minerals to be extracted from the Earth.