Potential chemical weapons from living organisms. Toxins are effective and specific poisons produced by living organisms. They usually consist of an amino acid chain which can vary in molecular weight between a couple of hundred (peptides) and one hundred thousand (proteins).
1 NREL previously calculated wind farm land usage at about 85 acres per MW of capacity and capacity density of 3.0 Â±1.7 MW/km 2. 2  Yale calculated wind energy usage down to the turbine level, calculating 1-3 acres per turbine.
a) Either. . . with 15 bushels per acre above the 2005 Iowa average yield (173 bu/acre), we would need 20.2 million acres of corn in Iowa (a 63% increase).any growers are producing yields over 300 bu/acre every year. Some of these producers are represented in the National Corn Growers Yield Contest every year. Contest winners from across the country typically produce between 250 to 350 bushels per acre per year.