17. Land degradation is mostly caused by________________
A) Less rainfall over a long period.
B) Limited agricultural activities in an area.
C) Mismanagement of land and taking too much of it.
D) Severe chemical weathering.
18. Considering forest management, which one of the following statements is NOT true about forest resources in Africa?
A) Africa has an estimated forest area of 635 million hectares, representing about 16% of the world’s total forest area.
B) Africa has the most protected and reserved forest area in the world.
C) In terms of the amount of forest per person, Africa has an average of 0.7 hectares, which is higher than Asia (0.1 hectares).
D) The Democratic Republic of the Congo (DRC) has the largest total forest area than any African country.
17. C)
18. B)
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