Which phrase best describes wave motion?

a. movement of energy through space or a medium
b. movement of matter through space
c. movement of energy within a partice
d. movement of air molecules through a medium

What happens in a global convection cell

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

I’ve been stuck on this for a while