Question

in a triangle abc points d and e respectively divides the sides bc and ca in the ratiobd/dc=m and ae/ec=n the segment ad and be intersect at point x then ax/XD is​

Answer 1

Answer:

Vaccines are made by taking viruses or bacteria and weakening them so that they can't reproduce (or replicate) themselves very well or so that they can't replicate at all. Children given vaccines are exposed to enough of the virus or bacteria to develop immunity, but not enough to make them sick.