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Home x Quizzes-2018 Spring Cx Take Test: Chapter 12 qu X ? ? Secure https://macc bb9blackboard.com/webapps/assessment take launchjsp?course assessmentid·119676 18cour Question Completion Status QUESTION 5 Why are disturbed deserts and marginal grass lands slow to recover? o a all of these ob there is ittle bacterial activity 0 plant growth is slow od there is little species diversity o e there is littie water QUESTION 6 Match the descriptive statistics to the proper numbers Percent of the world's dust originating in the Sahel Percent of the world's population that is Chinese A. 7 B 33 C 20 D 225 E 50 Percent of world's arable land that is Chinese Percent of world land area that is desert Days the yelow River ran dry in 1997 QUESTION 7 What type of desert is associated with upweling ocean currents? a subtropical b coastal o e polar QUESTION 8 What was the key factor in the naturai recovery of desert lands that has happened in Kuswat? a decreased use of ground water b re-planting the area C fear of land mines d ranfall patems have changed e anforcement of pubic polces

Explanation / Answer

Q5) disturbed deserts and marginal grasslands are slow to recover because of multiple factors which include slow plant growth, little bacterial activity in the soil for recycling nutrients, little species diversity, and little water,

which make option a correcti.e all of these

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