you decide to go put for a walk. You walk 8km to the north in 2 hours, then you walk 3km to the south in 1 hour. what is your average speed for the entire walk what is your average velocity for the entire walk why do they have different average speed and velocity​

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation