To contract and churn the food to break it down into smaller molecules
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Hello!
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❖ The correct answer would be C. wind-blown deposits of outwash silt.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
<em /> I believe it's gravity.