Question

main idea and supporting details | wayground

1. niagra falls is one of the most beautiful sights in north america. it is on the niagra river halfway between lake ontario and lake erie. niagra falls is located on the american and canadian border. the american falls is 167 feet high. on the canadian side, the horseshoe falls is 161 feet high.

which of the following is not a supporting detail?
a) the american falls is 167 feet high
b) the horseshoe falls is 161 feet high
c) niagra falls is one of the most beautiful sights in north america
d) it is located between lake ontario and lake erie

Explanation:

Supporting details are specific facts that back up the main idea. The main idea here is that Niagara Falls is a beautiful North American sight. Options a, b, d are specific, verifiable details about the falls' height and location. Option c restates the main idea, not a supporting detail.

Answer:

c) Niagra Falls is one of the most beautiful sights in North America