Answer: Continuous line
Explanation: The continuous line would be the correct answer seeing as how it is.. continuous. This line has no curve, gaps, or breaks.
Melody ......................................................
Answer: One author claims that dogs bred to be tiny may have weak nerves
Explanation: The research word "claim" in this sentence is used correctly, and not to mention the fact that it is more likely for this word to come from a reliable source, such as a person that has written a book at least <em>once </em>in his or her life. (I've done this quiz).