What are the environmental effects of mining?

The negative impacts of nonnative species generally outweigh the positive impacts

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the