Read the article and answer every article with 250 words (words count are not for questions ) 1 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC285921… 2 http://www.hawaii.edu/PCSS/biblio/articles/1961to1… 3 http://www.pbs.org/wgbh/nova/body/life-greatest-mi… 4 read the […]