Generate a sentence that answers this question: "something could get wedged during winter if which of these happens?".

Answer: cycles of freezing and thawing water cause ice wedging

Generate a sentence that answers this question: "If your body is hot, it will cool down if you put what on it".

Answer: if a hot substance is touches a cold object then that substance will likely cool

Generate a sentence that answers this question: "A common problem involving waste in the excretory system is".

Answer:
the excretory system removes waste from the body