Lake Maraciabo and the Orinoco River, both, located in Venezuela, are very rich in oil.
Answer:
Hm, the first one is the third/last quarter...
the second one is called the full moon.
the third one is called the waning crescent
the forth one is the waning Gibbous
The time depends on the months. What month are you looking at for these moons?
This would be the legend!
The legend of a map tells you for example that a square means a capital city.
A scale shows you how big things presented on the map are in real life and the compass helps you orient the map with respect to the North.
A title helps you understand what the map focuses on (for example: " A Political map of Italy").