The scientist first designed thee geologic time scale because.... the people who needed to understand the geological relationship of different rock units were miners. Mining had been of commercial interest since at least the days of the Romans, but it wasn't until the 1500s and 1600s that these efforts produced an interest in local rock relationship.
The following statements about mining is true: Mining allows useful minerals to be extracted from the Earth. Correct answer:D
Mining has a large impact on the environment because minerals are contained within the Earth. The long term effects of mining include acid drainage
, erosion
and dust emissions.
A major center of islamic learning and culture
A dead star does indeed becomes a black hole. In fact, even the sun will turn into a giant black hole and kill us all. (That's in millions of years, so something else will wipe out the human race)
Hope this helped! :P