A full set (upper and lower) of implants and dentures can cost $7,000-$90,000 or more. CostHelper readers report paying $3,800-$27,858 for implants with a single denture plate, at an average cost of $14,226; and $6,549-$80,000 for a full set of implant-supported dentures (upper and lower), for an average expense of $34,119.
overburden-the surface soil that must be moved away to get at coal seams and mineral deposits. land, soil, ground-material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); the land had never been plowed; good agricultural soil.
According to Investopedia, a renewable resource is A substance of economic value that can be replaced or replenished in the same amount or less time as it takes to draw the supply down.. Soil is a renewable resource because it can be created through the natural decomposition cycle or though composting. Soil is not just dirt. Soil is a biologically active combination of organic matter and minerals. Good soil contains a balance of sand, clay and organic matter.