How has social research changed perceptions of race and ethnicity since 1911

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.

Gneiss is formed. the mineral grains in which granite are flattened under pressure

Why did the strike at the pullman plant in chicago become a nationwide strike?