Two french brothers invented the hot air balloon. they made the balloon out of paper and filled it with smoke. the smoke warmed the air inside the balloon. this made it lighter than the cool air outside the balloon. it was light enough to rise into the sky.
which sentence best summarizes the passage?
a. a hot air balloon contains smoke, which warms the air in it and makes it lighter than the air surrounding it.
b. two french brothers built the first hot air balloon from paper, warming the air inside with smoke so it would rise.
c. smoke warms the air in a hot air balloon so the balloon is able to rise into the sky.
d. the first hot air balloon was invented by two french brothers and was made out of paper.

Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.

The point of view in the novel can best be described as third-person omniscient third-person limited second-person first-person

Judy blume's career as an american writer spans four decades and includes many literary awards. she is most famous for her novels geared toward pre-teens. one notable example is tales of a fourth-grade nothing. however, blume also has had success writing for an adult audience. three of her novels for adults reached the new york times best-seller list. in a 2008 interview blume remarked, "i have so many stories left to tell! " by that time she had written nearly 30 novels. judy blume is an exceptionally talented and productive american author. which of the following statements supports the main idea in this paragraph? blume only publishes books that she expects will win awards. blume prefers to write novels for adults rather than pre-teens. blume has had an extremely and uncommonly long writing career. blume is a gifted writer who can write for children as well as adults.