Answer:Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away. No rock on Earth is hard enough to resist the forces of weathering and erosion.
Explanation:
B.around rivers and lakes
So they can have a source of food and water
Federalism= system of government
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The amount of energy extracted from the wind, oils as in fish oils(renewable) but will be depelted.
IS THIS IT TO THE PROBLEM?
