In the Tuskegee syphilis experiments, doctors syphilis suffers. A. gave treatment to B. withheld treatment from C. ignored D. infected Please select the best answer from the choices provided A B C D

answer; the correct answer is (beta)

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.