Can you check my answers?

Question

1. Locate the Gulf of Aden off the eastern coast of Africa. Now, write a definition of a gulf? A gulf is a part of an ocean or sea that extends into land.
2. What lines measure distances east and west of the Prime Meridian? Meridians or lines of longitude
3. What city would be next to the star symbol in the state of Washington? Olympia, Washington
4. Which pole is not located on a continent? The North Pole

Answer 1

All right, as usual! :-)