I can fly but have no wings. I can cry but I have no eyes. Wherever I go, darkness follows me. What am I?

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

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