How can societies reduce the use of fossil fuels?

a. by using air conditioning more frequently during the summer
b. by running fewer public buses and trains
c. by driving cars that get higher gas mileage
d. by using coal for heat in the winter

Read the excerpt. this is an example of a strong conclusion because it summarizes why the author thinks joan of arc is a significant historical figure. leaves out evidence that was already proven in the body of the essay. adds information that was originally omitted in the body of the essay. summarizes everything the author has written without providing an opinion.