What is least cost theory and who proposed it?

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.

Receiving 24 points on your license within a 36-month period will cause your license to be suspended for a. 30 days b. three months c. six months d. one year

The scoring range of a clep exam is from?