In the mid nineteenth century, a major pull factor in US intraregional migration was: The building of the Erie Canal
The cold climate in the East
The Gold Rush in the West
The expansion of the railroads
The overcrowding in the East

Which of the following refers to treating all patients or first aid victims as a potential source of bloodborne pathogens by taking all precautions to prevent contamination?

How do earth’s systems interact with each other?

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.