State a hypothesis based on the following questions: What kind of fluctuations in weather patterns do you expect to see in your area?Will they change or be consistent?
What effects might they have?
What is a specific example?

wait any answer choices plz

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.

if you know your abc's you should be able to get your answer or just use google

this might