According to law of demand people are most likely to choose the substitute instead of the usual product when the substitute is?

The criteria that a given college uses for admissions are generally called a) college entrance requirements b) higher education requirements c) guaranteed transfer credits d) general education requirements

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!

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.