Agroup that is limited to a common ancestor and all of its descendants is called

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this