In each group, name any answer which matches the first category to reveal the second category, then name any answer which applies to both categories to reveal a third, and so on.
I don't know why China, USA, Russia, and others are incorrect for countries in the Northern Hemisphere. Most countries are in the Northern Hemisphere, not just 37. If you meant which country had land in both the northern and southern hemispheres it would make more sense, but please specify.