hUse a dictionary or thesaurus is the right answer i think i hope
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The speaker is talking about the water. During winter, the water enters the cracks and freezes and expands. It breaks the stone and makes cracks and when the water melts the holes are bigger. What he is describing is mechanical weathering which is common in nature.
I would say, how come you never invited me is there something I did or is there a problem?
Answer: I am writing to request permission for time off to be with my father for a day on January 1st. I will be held up because He wants to go see fireworks for new years. I will be done with my father in one week and I promise to get back to work immediately I am done.
Explanation: