Please help ASAP I'll give give all my 248 points 1. The main idea of "The Difficult Road to Mars" is that people have been looking for evidence of life on Mars--and finding it--throughout history. Which sentence provides the strongest textual evidence for the article's main idea?
a. The change in the color of the surface was the greatest Martian mystery.
b. In 1971, the largest dust storm ever registered by astronomers covered the whole
Martian surface.
c. Surprisingly, vegetation, canals, and traces of intelligent life have not been found.
d. According to this theory, the canals were built by Martians to transport water from
polar to arid areas.

2. Read the paragraph below and look for the main idea.

Andrew Carnegie was a man to look up to. He is best known for making a fortune in the steel industry in the late 1800s and early 1900s. He sold his ownership in the business and gave away most of the money. Many of our country’s organizations benefited from Carnegie’s help.

Which sentence is the main idea of the paragraph?
a. Many of our country’s organizations benefited from Carnegie’s help.
b. Andrew Carnegie was a man to look up to.
c. He sold his ownership in the business and gave away most of the money.
d. He is best known for making a fortune in the steel industry in the late 1800s and
early 1900s.

3. What is the usual way to organize a summary?
a. Begin with an introductory sentence, add a supporting detail, tell the main idea.
b. State the main idea, give key details, include key words from the passage.
c. Copy the first and last sentences from the passage, adding text to explain it.
d. Draw a conclusion about the text, state that, give some key words.