3. As the sea-ice cover of the arctic and southern oceans shrinks, the albedo of the earth's surface decreases.
A boundary is a real or imaginary line that separates two things. In geography, boundaries separate different regions of the Earth. There are many different types of boundaries.
Location 3
Toronto is Canada's most populous city and judging by this map location 3 looks like it is Ontario which is the region in which Toronto is located in.
Maybe just buy another ticket? or call someone to come bring it to you.