Answer:
The answer is a) oil
Explanation:
Oil, especially in these areas, are abundant. In the past, these areas became wealthy because of oil.
The island of cephalonia belongs to Greece
Answer:
In the top left
Explanation:
On a map, the top has numbers or letters. Same goes for the left side. Since "A" and "1" are the first in the alphabet and while counting, it comes first. As you go out, the letter and number will change.
Example: A1, A2, B1, B2