Which of the following negative impacts of mining involves rainwater seeping through piles of overburden, creating sulfuric acid?

Why did leaders such as siddhartha gautama abandon hinduism to createbuddhism around 500 bce:

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

1.     in what kind of government does a small group have a firm control over a country?