I just wanted to make sure my answers are correct, Can you check it please?

Find an example of an area of land that is smaller than a continent and is completely surrounded by water. What term is used to describe this type of land? An example is Jamaica. The term that is used is an island.
2. What is the name of the imaginary line 180 degrees east and west of the Prime Meridian where the date becomes one day earlier to the east of the line? The International Date Line

1 answer

Both are correct, yes.