Each human couple should produce only two children which help in: Agriculture Ecology and General Silviculture Mcqs July 23, 2019 BILAL KHATTAK0 A.Checking pollution B.Fertility of soil C.Stabilizing the ecosystem D.Improving food-web Related Mcqs: Earthworms are beneficial for human begins because: Mulching helps in __________. Protective (environment) are: Growing a leguminous crop in rotation The family in which thee is only one couple with children is known as 1.6 to 2.3 value of nutrient index indicates: Intestine in human body is about 29 feet long because: A food web is____________? The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called________________? Heating of earth surface is due to:?
