Shawna is very knowledgeable about cars. She subscribes to several different automobile magazines, has interviewed people who work on cars for a living, and has researched many types of cars. She started a blog with the information she has gathered. On her blog, she offers opinions about which cars are the best value for the money and which are the most difficult to repair. Which best describes the reliability of her work?
It is unreliable because it is on the Internet.
It is unreliable because it offers opinions, not scientific facts.
It is reliable because she gathered information from many sources.
It is reliable because it has information about all types of cars, not just her favorites.