What is something in my house that uses the energy transformation from chemical energy to radiant energy

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline

Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation