How much potential energy is present in a stone kept
on the earth surface? why?

The Potential energy is the energy by the virtue of the position of the body. where h is the height of the body. When the body is kept at the surface there height of the stone is equal to zero. hence, if the height of the stone is zero then Potential energy is equal to zero.

PUT IN YOUR OWN WORDS

on a cabin, which was on a boat, (that looked like a paper cruise), we were all on a trip and an example of one word to describe it was 'amazing' as we all had a party (almost like the one i had previously had at a house of my friend's) and we played games with a bag, a box and a letter!

sorry, i could only think of one sentence, check it before you use the sentence because it is important that it is up to your standards.

the answer is c. the wind