Determine which of the following is k/,(yw zxp2ykthe correct description of a climax ecosystem in the prowkkpy, (z2x y/cess of succession.

  Figure: Global Soil Degradatio) rtk3, *.uuigx,vbn u/9zfmy n


Deduce the best explanation for the lack of soil degradation in much of Russia and Canada.

  Identify which of the following is not a measure to aid in soil conserv6adj6hcswyc 6a/ cvaa v6e *0+ation.

  Figure: Global Soil Degradatio2-)puee45 )acpnvtd7ajin0 0 -kxacan


Estimate what percent of the African continent is experiencing soil degradation.

  Figure: Wangari Maat /z*taf(cw hu9wg 7-enhai


Wangari Maathai received the Nobel Peace Prize in 2004 for her efforts in sustainable development. Since 1977 the Green Belt Movement that she started encouraged women to plant trees in order to combat desertification which was affecting the livelihood of the subsistence farmers in Kenya and other African countries.

Identify which of the environmental value systems listed below best matches the description of Wangari Maathai.

  Determine which of the following represents l5 a+ .s dddk;y);egxethe most complete set of characteristics of fertile soils that support proper plant growt.+ y;d e;s5ke g)dadxlh.

  Determine which of the following human activities is no-chm -ij 4hqf9t harmful to soil systemsihh 9c-4qfj -m.

  Outline how a named human jt:1pz wg.6oy;-y2xjc .kj67wgqd aj activity can lead to soil degradation.

  Outline how the proces 5 *pvzsg 8zabmup0/4ms of succession affects the fertility of soil systems.

  Determine the conservation strategy that icgx j3 g2o-:x+cm gy/ds correctly matched with the issue it tar+xx23ogc:/ ycj -g dgmgets.