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It is important for the United States to build canals (wide canals) because the country is visited multiple times by hurricanes annually. Hurricanes are accompanied by heavy rainfalls and if left unchecked, causes flooding. The function of canals is to diffuse accumulated rainwater and direct it to greater bodies of water.
Answer: Water, horse and saddle, Wagon, car
Explanation:
Three seismic stations are needed to determine the location of an earthquake's epicenter.
Tillage is a threat to the soil because it ruins the protective topsoil. hope it helps :)
