Which is not a function of calcium in the body? blood clotting cofactor for many enzymes nerve function epithelium function muscle function?

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

20 the compound al(nh3)2 has atoms of nitrogen.

Which statement best describes the role of religion and culture in ancient medicine?