Which scientists discovered cells come from other cells

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

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma