Can you please check my answers?

1. Which has more water, The Northern or Southern Hemisphere? The Southern Hemisphere
2. Which of the following is not a peninsula: Baja or Lower California, Panama, or Yucatan? Panama
3. Is the Tropic of Cancer a parallel or meridian? a parallel
4. What items should a map's key include? A compass rose,a distance scale, and the explanations for all the symbols on a map