Scientists have found that the carbon-14 content of an unknown prehistoric sample was reduced to one-half. what best describes the identity of the sample?

Which of the following is not a product of the second stage of glycosis

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

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