which two statements explain why a student standing at the top of a step stool doesnt move downwards

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i