Probably children between 7 and 9 years old because they have already learned how to read and write but they still have a limited vocabulary range comparing to older people. Also, they do not fully understand written instruction and recreate them in their own minds, the visual cues helpthe written language.
An apostrophe is used to signify ownership. To figure out whether or not the apostrophe is used correctly look at these examples:
My mom's dog is adorable. Correct Use of apostrophe
(Who owns the dog? Answer: Mom owns the dog. The apostrophe shows her ownership.)
Dog's are so adorable. Incorrect use of apostrophe. (The dog isn't owning anything or has possession of anything so the use of the apostrophe here is incorrect.)
I am gonna go with C because I believe A,B, and D are adjective clauses.
Answer:
A
Explanation:
Biographies give us more information
Mechanical Hound
Granger
Professor Faber