(9)__is a solid part of the surface of the earth.(10)__is the ability of land to perform specific functions.One of it's functions which greatly benefits humans is that it provides food,fresh groundwater,shelter and other organic materials for our consumption.But with increasing (11)__comes increasing demand for production of human necessities,which in turn depletes(12)__.That is the reason why organizations and governments around the world have set some standards for(13)__.Some land areas are classified to be(14)__,where soil has few management-related constraints.On the other hand,soils with very delicate ecosystems and needs careful management are classified under(15)__.

Choices;
•Land Resources
•Class 1
•Land
•Class IX
•Land Quality
•Land degradation
•Land use management
•Population
please,,I really need an answer help me!​