Answer: 3. HTML focuses on a web page's structure and CSS focuses on its presentation.
Explanation: HTML is designed to allow you to add the content and format it correctly. However, CSS's job is to allow for stylizing.
B. Because major shifts in thinking can cause change.
The answer to this should be B. Worm. A pinion is a the smallest gear out of the listed ones above. spur would be next then wheel and the biggest if them all would be the spur. I'm not completely sure if my answer is 100% correct, but I feel confident enough about it. Hope this helps. :)
