Why is Canada physically diverse(3 major points)

please help :(

I wish I knew I’m sorry I couldn’t help

Canada has a varied landscape, with majestic mountains, rolling plains, forested valleys, and beautiful blue rivers and lakes. The Canadian Shield, a hilly region of lakes and swamps, stretches across northern Canada and has some of the oldest rocks on Earth.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

Increasing the release of greenhouse gases and pollution