HELP ASAP tuna swam 9.0meters directly toward a fishhook at a constant velocity. It took the tuna 7.5 seconds to swim that distance. What was the tuna's velocity?

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

What is the percentage of hydrogen in c2h4

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