At the start of the experiment the average oil content what is 5% and the range is about 4 to 6% what does the degree of change scene in this experiment tell us about the power of selection

c. establishing proper sleep hygiene

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water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.