Canyons on Mars appear to have been formed by the splitting of the Martian crust. However, canyons on Earth were most likely formed by the... impact of asteroids causing damage to the surface.

water flowing through rivers over long periods of time.

earthquakes causing parts of Earth’s crust to rise up. the rising of hot magma from deep inside Earth’s core.

water flowing through rivers over long periods of time.

Explanation: The action of water on Earth-- from glaciers forming and moving and melting to the erosion caused by storms and floods has had a large impact on the surface. Canyons formed by rivers flowing throughout millennia are large and beautiful examples.

It was actually an Earth Science question, but you got a writing teacher's answer!

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens.c rgf fy4tku6y htk6u jr jyt6