What distinguishes a glacier from other regions that may be covered by snow?

ice flows more slowly.
ice flows uphill, not downhill.
ice carries things with it as it flows.
ice has the power to sculpt the landscape.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Were the first to arrive in nowth america. asian french

What was the great rift valley formed by