Which of the following is not properly matched?

What is $FOAM$?

Which of the following strategies is not useful for mitigating global warming?

Which of the following problems is not caused by noise pollution?

What is the recommended forest cover for plains and hills according to the National Forest Policy of $1988$?

Jhum cultivation:
$I.$ Also called as slash and burn agriculture,is the farming practice in North Eastern states of India.
$II.$ Farmers cut down the trees of forest and burn the plant remains.
$III.$ The ash is used as a fertilizer and the land is then used for farming or cattle grazing.
$IV.$ After cultivation,the land is left for several years,so as to allow its recovery.
Which of the statements given above are correct about Jhum cultivation?