True or false: lack of sleep is one of the leading causes of traffic fatalities.

Who needed protection from railroads? 1865-1900 apush

How do astronomers measure the amount of dark matter in the universe

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.