Which one of the following statements about energy is correct? Energy cannot be created or destroyed. We convert about 99% of our food energy to useful work. A leaf falling from a tree represents potential energy. Chemical energy is a form of kinetic energy.

What is an example of how the abolitionist movement began to grow in the 1830s? check all that apply. a: most southern politicians argued to end slavery. b: anti-slavery publications were produced. c: the american anti-slavery society was founded. d: petitions demanded that congress end slavery. e: southern states reduced the use of slave labor.