1. What is the difference between the id and class attributes? 2. What symbols are used to distinguish a class name 3. Which attributes should be included in every img 4. Write the HTML for adding an image called deer.jpg from an id name? element? that is in the same directory as the current docu- ment. 5. What might be going wrong if your images do not appear on the page in a browser? List possible reasons as many as you can