~Hello there!
Your question: Which rocky mountain state is directly north of Colorado?
Your answer: New Mexico is the rocky mountain state which is directly to the north of Colorado.
Hope this helps!
Answer:
According to Google, Nunavut has the lowest population density in Canada. This might occur because it's made up of islands and the area is a tundra so it's very cold and doesn't support agriculture. The islands are also accessible only by plane or boat so it's hard for people to move to the area.
Explanation:
A. Eclipses only occur during full and new moons.