Answer: B. Salt and rust are corrosives that have damaging effects on a city’s infrastructure.
Explanation: in a text, a main idea is important information that tells more about the overall idea of a paragraph or section of a text. In the given excerpt from "The City Without Us” by Alan Weisman we can see the description of how the salt used on the roadways on winter, is very corrosive because it eats steel, and it also says that with no people, there won't be salt, but there will be rust which is also corrosive. According to this information, the main idea of the paragraph is best represented by option B: Salt and rust are corrosives that have damaging effects on a city’s infrastructure.
Answer: Because chess is a game where you need a real poker face. You have to keep your emotions bottled up inside instead of showing them. Because then your opponent will know that you have a great move in mind or something along those lines. She loves these secrets because she wants to be unlike her mother who is always voicing her opinion. She wants to have her secrets to herself and she can through chess.
This reveal the importance of the past, so we as the reader can understand the things happening in the present. ( so if the answer is not right I tried my best to answer it)
