The water repellant properties of waxes is very useful in the leaves of some plants, in the feathers of birds and also in cuticle of insects. Waxes in plant leaves reduce the amount of water that is lost by the leaves. The wax that is present in the birds' feather prevent them from getting wet with water.
I believe the answer is protein
Answer:
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we know where earthquakes occur the most so we know where to not settle. This also helps explain the creation of the earth.