Answer: Canada follows a parliamentary system while the US follows a presidential one.
Explanation:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust.
Different perceptions of a region can make that region less defined is true im not a 100% sure tho
Deforestation hope it helps.
