Preserved fossils of whales and other organisms have been found in the southern part of mississippi what could be a reason for this

because it is a very fertile a area where many dinosaurs, may have roamed.

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.