৬৮৩৯৬
The impoverishment of the world’s habitat is due to-
উত্তর
man’s irresponsible abuse of the vegetation cover
৬৮৩৯৯
Conserving naturally planted vegetation brings about-.
উত্তর
conservation of soil and water
৬৮৪০০
What does loss of organic matter result in?
উত্তর
lessening soil’s ability to combat erosion