Malanesian is the correct answer
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
7.347 (as of 2015). Nobody has gotten the chance to count.
I wasn't able to fit the amount of text in the provided space. Please check the attached papers.
It is true that the rainfall that happens in savannas especially in summer time reaches to only half of the annual rainfall. Isolated trees and some types of shrubs are found in savanna. The precipitation rate received by savannas per year is about 30 to 50 inches.
