Will you check my answers please?

Question

1. Is central America on the North or South American continent? North American
2. What are the three countries in the world with the largest land areas? Russia, Denmark, and Canada
3.What is the capital of the state that has a northern border with South Dakota and a southern border with Kansas? Lincoln, Nebraska
4. Which hemisphere has more land, the Eastern or Western? Eastern hemisphere

Answer 1

2. Denmark?????? For this purpose, Greenland is not considered a part of Denmark.
http://geography.about.com/od/countryinformation/a/bigcountries.htm

Your other answers are right.