"...humans have studied only about 1% of all of the microbes in any given environment ... despite the fact that over [300] years have passed since the discovery of microbes, the field of microbiology could be said to be in its infancy relative to other biological disciplines such as zoology, botany and entomology." (Microbiology, Wikipedia)
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GAO: Condition of America’s Schools 1995
GAO (United States General Accounting Office) SCHOOL FACILITIES
Condition of America’s
Schools 1995
Report to Congressional Requesters http://www.gao.gov/archive/1995/he95061.pdf