A woman with blood type O has a baby with blood type A. She claims that the baby was fathered by a man with blood type AB. Is this possible?

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

How do you date a sample of rock that you suspect as being one of the earliest on earth

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?