The Hidden World Under Our Feet by Jim Robbins. The New York Times. May 11, 2013.
(1) About _______% of soil micro-organisms have been identified.
(2) Without robust soil ecosystems, the ___________________ would be in trouble.
(3) A teaspoon of may have up to _____________ types of microbes.
(4) True or False: Soil is largely the same across the globe.
(5) Biodiversity of nearly ______% of the nation's soil was in danger due to agriculture and urbanization.
(6) Moder tillage agriculture deprives soil ___________________ it needs for food.
(7) __________ is a disease cause by a fungus that becomes airborne when soil dries out.
(8) Soil plays a role in the spread of __________________
(9) Most antibiotics came from _____________.
(10) How will global waring affect soil biodiversity?
(11) _________ agriculture is one method to protect soils.
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