Noo maybe you kind or well mannered
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.
Answer:
<em>The altitude of the cloud cover is called the</em> ceiling <em>in</em> aviation<em>; it is an important measurement for those piloting small planes.</em> As for the other question, I only know that the second part is international.
Explanation:
ceiling: the upper inside limit of a room; also the height above the ground of the lowest clouds.
aviation: the operation of aircraft.
international: beyond the boundaries of a single nation.
"All that glitters isn't gold."
"Eat to live, don't live to eat."
