Elinor is looking for reputable sources to support the reasons for her essay's claim. So far, she has found a lot of personal blogs that address the topic. She wants to use them but knows that she should not, because

anyone can change the information in personal blogs.
personal blogs are generally unreliable sources.
personal blogs usually are trying to sell a product.
any information from a personal blog is incorrect.
HURRY PLEASE HELP!!!!​