What is the situation about the desertification in Africa?
A.The deserts are replaced with grasslands B.The deserts are expanding C.the deserts are moving northwards D.the deserts are being deserted正确答案D
What is the situation about the desertification in Africa?
A.The deserts are replaced with grasslands B.The deserts are expanding C.the deserts are moving northwards D.the deserts are being deserted正确答案D