The Answer is d.
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Answer:Landforms of coastal erosion include cliffs, wave-cut platforms, caves, arches, stacks, stumps, and headlands, amongst others.
Explanation:
It has two phosppholipid layers that are either hydrophobic and hydrophillic the function is to protect thing from coming in and out
C clouds
Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals