What does weathering break down into sediment? materials in the Earth's Water Cycle or materials in the Earth's crust

materials in the Earth's crust

Explanation:

weathering is a process that breaks down rocks into new sediments. it breaks down materials found in the earth's crust, due to rain or rivers etc.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.