What is a push factor of migration?

Activity 1.3.2 standard and metric measuring pltw

The nervous system is responsible for our fight-or-flight response.a.autonomicb.parasympatheticc.somaticd.sympathetic  select the best answer from the choices providedabcd

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.