Who found out the vaccines for Anthrax by using weaker versions of actual viruses for the immune system to recognize these viruses the next time if they attack in the future? (A) Louis Pasteur
(B) Isaac Newton
(C) Elon Musk
(D) None of these

Louis Pasteur

Explanation:

Early work on the development of a vaccine against anthrax in animals was carried out in the 1880s by W. S. Greenfield and by Louis Pasteur (Turnbull, 1991). What became known as Pasteur's vaccine used an encapsulating nontoxigenic strain of B.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b