A rock on top of a ledge has 50,000 J of energy. If it falls off the ledge to the ground below, how much energy is converted
to kinetic energy a the bottom of the drop?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

What are the two largest greenhouse gases

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.