When is a unitary system more efficient in organizing a state? Explain why using at least one specific example

Astudent who takes a multiple-choice test by reading the stem of each item, generating the correct response before looking at the choices, and then chooses the response closes to the answer is using a.a heuristic b.an algorithm c.vicarious problem-solving d.means-end analysis

Which of the following is a type of technology that can be used at a coal-burning power plant to remove both particulate matter and gases? bag filter catalytic converter cyclone electrostatic precipitator scrubber

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.