The light bulbs in an office building give off tremendous amounts of heat. since heat is a form of energy, this heat could be trapped and used to offset our need for electricity, thus saving energy and money. true false

With these questions , 15 pts & brainliest

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.