Deep-sea minerals are considered to be nonrenewable. Which time frame BEST identifies the time it would take for
deep-sea mineral deposits to be replaced if they are
significantly reduced by mining activities?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.