Scott Morrison is the prime minister
like this comment if u like halo
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V-shaped valleys and river plain valleys are formed by flowing water. ... They are created by fast flowing rivers with steep gradients. As rivers flow downhill quickly, they remove more sediment from the bottom of the stream channel than from the sides. This process is called down cutting.
This is very... open ended. Do you have some choices? If not, I will say that they would most likely be interested in Alaska and eastern Siberia being connected by ice. People could, at one point, simply walk across.
