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?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

What molecules does hemoglobin decay into over time