Answer:
Mainly the Ocean between the countrys, they are far away. You could of been on a boat for over 1 month and had to use a pot as a toilet. People also died on the way over. They died because the ships sometimes did not have enough food or water.
Nautical charts and beacon nomenclature
I am gonna say that the answer for this one is 50% of water is not accessible easily.
Answer:
lol I feel you though like last year thats all we did in academic focus
Explanation:
Jupiter, Saturn, Uranus, and Neptune
