Answer:
pretty thick
Explanation:
lol jk it is averaged at 2,160 meters thick
Explanation:
Answer for your question..
The word virtue is used to refer to the behaviors that show high moral standards. This includes nobility, purity, worthiness, goodness, morality, integrity, etc. In other words, virtue is for the "common good". This can be manifested through the discipline of children to eradicate completely the notions of bad behaviors.
Well when people didn't have trucks and cars and things so they had to use the canals and rivers to transport trade.
hope it helllps ;)