Within the water cycles, where do individual water molecules reside the longest? in the ocean

in shallow groundwater

in deep groundwater

in the atmosphere

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective