9 gives info that the author is giving evidence about the topic
10 needs info to inform the readers
Ok, so technically, you have to answer if you think that Martys parents suspect if hes keeping the dog, if your answer is No or Yes you write it, then you go back to the book and write from the book whatever it is that supports your answer. then after that you have to explain if you think hes doing a good job hiding the dog.
hope i kind of helped :)
Answer: The root word of light is lev like the word levitation you levitate because you are light.