Answer:
to inform readers about different ways that changes can be made
White Fang came in until he touched Gray Beaver's knee
At the sound, Kiche leaped snarling to the end of her stick, and there raged terribly because she could not come to his aid. But Gray Beaver laughed loudly
Both nose and tongue had been scorched by the live thing, sun-colored, that had grown up under Gray Beaver's hands
Food that is not organic is treated with pesticides and other chemicals.
There was a stunned moment of silence following Millicent's proclamation.