This is typically known as a social state, examples being Denmark, Sweden, and Canada.
Answer:
First, you want to Gather evidence and form a claim, then you want to start making your outline.
The term used to describe how to measure how reflective the surface is, is the surface albedo. Surface albedo represents the ratio of irradiance reflected to the irradiance recieved by a surface. The proportion reflected is not only determined by properties of the surface itself, but also by the spectral and angular distribution of a solar radiation reaching the Earth's surface.
Yes it was formed by a glaciers.
