How did Louis Pasteur extend the work of Edward Jenner?

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

"the attempts of the proletariat to rise above this abasement"

um how much