1) Describe how radio telescopes are used to explore space. 2) How are radio waves used on Earth?
3)Why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (Hint: What did the article say about the advantages of digital signals?)

Look at this dictionary entry: realize (ree-uh-lyz) v. to become completely aware of (something) as a fact; understand without a doubt to make (something desired or anticipated) occur to give real, definite or physical form to a plan, dream, or goal to earn (money or a profit) from a deal which sentence uses the word realize as it is described in the fourth definition? a. mike realized the gravity of the situation only when dalia explained it to him. b. only hard work and perseverance can people realize their dreams. c. he felt that his vision was realized when he finished reading the final draft of the narrative. d. fay's glass paintings are expected to realize a handsome profit. e. dan will realize his goal of going to an ivy league school only if he works hard.

If you were making a persuasive speech about how students should take creative writing every year they are in school, which sentence would most effectively support that argument?

The water eroded the land and a creek was formed. choose the best transitional word or phrase to complete the sentence. a) although b) eventually c) likewise d) similarly