Which of the following statements are correct with respect to land degradation ?

(A) All degraded lands are wasteland.

(B) All degraded lands may not be wasteland, but unchecked process of development may lead the conversion to wasteland.

(C) Land degradation is permanent or temporary decline in productive capacity of the land.

(D) Waterlogged, marshy areas and gullied lands are different types of degraded lands.

Choose the correct answer from the options given below :