<span>Hydroelectric power is produced as water passes through a dam, and into a river below. The more water that passes through a dam, the more energy is produced. Once a dam is built, an artificial man-made lake is created behind the dam. Electricity is produced by a device called a turbine.
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Answer:
Limestone areas are predominantly affected by chemical weathering when rainwater, which contains a weak carbonic acid, reacts with limestone. This causes the limestone to dissolve. Carbon dioxide from the respiration of animals (and ourselves) is one cause of increased carbon dioxide in the atmosphere.
Answer:
Compass
Explanation:
A compass is a symbol used on maps to show North, South, East and West
Answer:
C
Explanation:
A and D just doesn't make sense, B is wrong because they have tourists that may spread diseases, so it should be C.
Let me know if you got it right.
