Is PBr3 polar covalent bond covalent or molecular compound?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.

Compare and contrast refraction of light and sound will give brainliest