Where do rivers start start oceans mountains or lakes

Need now! 45 points laboratory: weather map interpretation i need someone to answer the other two questions. i will give to the best answer!

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Why did other countries want to have a part in what was occurring in southwest asia?