Lana is watching two waterfalls. The first waterfall is very steep, and the other is just a slope. The waterfall which will have the most erosion at the bottom is the one with the water which falls
slower faster
A B
Water flowing over a steeper slope moves faster and causes more erosion.
fastness
steeper
faster
MORE
MORE
steepness
falls faster
falls slower
waterfall
water
water
water