Answer: Surface mining
Explanation:
Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.
The elephant can transform woodlands into grasslands which benefits other species for survival.
A research of the US National Institute of Health (NIH), <span>The use of calcium and vitamin D in the management of osteoporosis explained that 99% of the calcium that the body consumes goes to the bones and teeth. A lack of calcium and vitamin D will lead to bone thinning or osteoporosis which is told as a silent disease that deteriorates the bone. This tells that people should have enough calcium to keep the bones healthy and avoid some serious bone related problems because of calcium deficiency.</span>
