As lions hunt for food, they must not only be strong and quick, but they must also have the correct fur coloring in order to not be noticed by potential prey. which mane color would be best suited for hunting in the grasslands during a period of drought, when most of the grasses were beginning to die? a. black b. brown c. green d. white

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.