Compounds are only formed and broken apart by blank?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation