The correct answer for this question would be the second option. Based on the given excerpt above from Walden, the natural phenomenon that is referred to in this excerpt would be the food chain. Hope this is the answer that you are looking for.
The tone of the passage is loving (B).
The author is bragging about his or her little sister. The author is very proud of her and everything that she has accomplished. There is no part of the passage that would suggest that the author is angry with his or her sister, critical of her, or envious of her. The passage simply is stating the little sister's accomplishments.
The to acquire a given product. Insofar as the amount people are prepared to pay for a product represents its value, price is also a measure of value.
It’s pity because that wouldn’t anger someone, and if it is a child, then we wouldn’t be scared of a child, and their is nothing to doubt, the answer is
D
