Describe the horrors of Cape Coast Castle, the Door of No Return, and the branding on the beach. How does Amari survive? What necessary survival techniques would you have to develop to survive those experiences?

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.

i think your answer is a. it splits a cell into two new daughter cells. the others don't really make sense to me so i would go with that one.