Read the passage below. Did you know that crocodiles tend to have longer, pointed, V-shaped snouts while alligators generally have wider, rounder, U-shaped snouts?

The signal word “while” serves what purpose?

It signals a similarity between alligators and crocodiles.
It signals a difference between alligators and crocodiles.
It signals that more information about crocodiles follows.
It signals that the reader is nearing the end of the text.

Which detail from "to build a fire" best supports the idea that most of the real yukon prospectors had little experience for surviving in cold weather? it happened. it was his own fault or, rather, his mistake. he should not have built the fire under the spruce tree. there was the fire, snapping and crackling and promising life with every dancing flame. he would have to build a fire and dry out his footgear. this was imperative at that low temperature—he knew that much. the flame he got by touching a match to a small shred of birch bark that he took from his pocket.

Tom’s testimony has the effect of making scout feel sympathetic towards both tom and mayella. explain why she is sympathetic towards each of them.

In 150 words, explain what northup (in twelve years a slave) could have done to prevent being kidnapped by hamilton and brown.