What two actions are required to work together to move water to the top of tall plants

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.