A goiter is a physical characteristic that occurs due to an enlarged thyroid gland. One cause of goiters is inadequate iodine in the diet. The effects of this iodine deficiency.

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answer: collecting information/data

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water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.