Select the correct answer from each drop-down menu. Soil is a ( blank ) resource that can be used in a sustainable manner. Fertility of soil can be sustained by protecting topsoil from ( blank ) and contamination. Because soil fertility is replenished by decomposition of organisms, it is necessary to ensure that the natural life cycle of plants and wild animals is not disrupted. That is why ( blank ) is an effective measure against land degradation.

first tab answers are : nonrenewable or renewable
second tab answers are : groundwater, erosion, or vegetation
third tab answers are : lumbering, reforestation, or slash and burn