Nat Turner led a slave revolt several years before the Civil War. The revolt failed and he was killed. he is known for leading 2 uprises in Virginia in 1831 before getting caught.
Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is the most abundant metallic element in the human body and the fifth most abundant element in Earthâs crust.
Top 10 Calcium Rich Foods. Calcium is the most abundant mineral in the body. Almost 99 percent of the bodyâs calcium is stored in the structure of the bones and teeth. The truth is, though, many of us arenât eating enough calcium rich foods.