A student learns that glaciers can form U-shaped valleys on Earth’s surface. Which geoscience process takes MORE time to shape Earth’s surface than it takes a glacier to form a valley? * A an earthquake that shifts rock layers, changing the course of a stream b a collision of two tectonic plates that lifts up rock layers forming a mountain range c a landslide that removes part of a hillside d a volcanic eruption that lays down a layer of a molten rock that hardens pls answer