Which sentence is a run-on sentence?
a. some tortoises are huge, you can ride on them.
b. bald eagles build nests of branches; the nest may weigh tons.
c. a lion can run faster than a greyhound or a fox.
d. humpback whales sing songs; they sing new tunes every year

it would be A because it just, well, runs on. b states a fact. c is also a fact. d is also a fact. A IS a fact, but it does not have an and or even.

i hope that helped (and made since) ;)

c. to understand which information will best persuade your readers. (apex) correct answer.

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.