What are the three functions of sensory memory

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.

Sorry two big valves your rpm will go down plus the smaller ones will give you more horsepower your rpm will go up the answer is b