#1Healthby Duncan MacPhun1363214The human population increased from 1 billion to 7.8 billion between 1800 and 2020 because of sewage treatment, clean drinking water, vitamins, vaccines and antibiotics...Completedmeaslesinfluenzapolio+21 more #2Damn Your Yamsby Y4mzzzz4Lyfe16563When a young girl encounters a life long dream.penicillinreadyams+15 more