A valley is noticeably lower than the surrounding area. What is one way a valley might form? A. Magma rises at a divergent plate boundary.
B. Water, wind, or glaciers deposit new crust.
C. Tectonic movements make folds and faults in the crust.
D. Continental plates slip past each other at a transform boundary.

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet? the planet started to cool and an atmosphere formed. the planet started to become round and heat up. the planet started to wobble and turned upside down. the planet started to compress rock and form more radioactive elements.