Happy B-Earth day.
Gentleman
Darcy J
DJ
d_gentleman@acs.org
D000818:Animals; D000846:Anniversaries and Special Events; D018534:Earth, Planet; D004463:Ecology / Q000266:history; D004777:Environment; D004784:Environmental Monitoring; D004787:Environmental Pollution; D005399:Fishes / Q000378:metabolism; D049673:History, 20th Century; D006801:Humans; D014481:United States; D014484:United States Environmental Protection Agency