•The environmental impact of mining includes erosion, loss of biodiversity,
contamination of soil and water.

is it long term or short term?

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures