Copper, like cobalt, also an important metal in the making of smartphones. How should a company like Apple respond to learning about such an environmental mining disaster at a copper mine from which the company acquires material Explain.

just here for the other one bc they put up with u

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.