Answer:
rockfall, mudflow, and landslide are three
Explanation:
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Ans. An isotope of Hydrogen called Tritium has one Proton and two Neutrons and its mass is 1
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Answer: <span>B) Plant trees along canals and roadways on their property to filter runoff and prevent soil erosion
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The roots of trees help prevent the soil from being easily eroded by holding the soil in place and taking up the water. The other choices, A, C, and D would cause further erosion by removing objects that would stop the rain or by aiding erosion due to gravity. 
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C. Lactic acid fermentation