If the lorax didn’t come to stop the once-ler, how would the story have changed?

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

Yes or no? biology is the study of rocks and minerals.

What kind of word is the pronoun in bold letters? the car will be yours when you pay your last car payment.