Penicillin has become a front-line tool of medicine around the world. It has saved many lives, and its availability and efficacy has freed people from fear of infection by common bacteria. The growing problem of penicillin resistance in bacteria has reduced its efficacy, but it is still useful in combating many infections.
how did 9/11 change peoples lives
she didn't change peoples lives she could threw her songs...
how did clearance Thomas change peoples lives
How did plows change people lives
it hasn't
It ended them
Miricals
It didnt.
yes
because
how did the use of iron change peoples lives
It help travel