What are four ways that earths surface has change?

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WIND) Wind carries around tiny sand particles which, overtime piles up in one area forming land structures.

EROSION)Water, and ice removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location.

WEATHERING)Destroyes ceartain landforms re-shaping them into diffrent shapes, and sizes.

answer; hypnagogic sensations)

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.