Answer:
nitrogen
Explanation:
over the quarters of the earth consists of nitrogen
is about 55 miles at its narrowest point. so around 50 miles would be the answer.
Yea it would cost a lot of money haha
A stream of river that runs into another stream or river is called a tributary.
Cambodia and Vietnam are not island nations: they are not placed on islands, but on the Indochina Peninsula in Asia - so they can't be the correct answer
Indonesia is an island nation, but it's a presidential republic, not a monarchy.
The correct answer is Brunei