70-9-%
50%
Approximately 23% of electricity in the US is produced by coal energy.
Approximately 15 percent of all wheat was produced through tenantries, while only 35 percent was produced by full ownership farmers.
approximately 20 percent
0.5% of the world's carbon dioxide produced comes from Central America.
In 2009, New Jersey farmers produced approximately 1/10th of one percent (0.1%) of the nation's corn crop, planting over 88,000 acres.
"The Midwest produced about 50 percent of the nation's milk supply in 1965; it now produces only about 34 percent." - Modern Livestock and Poultry, 7th Edition By James R. Gillespie
mainly nitrogen (approximately 78 percent) and oxygen (approximately 21 percent) there are approximately 1 percent other gases, which includes carbon dioxide at 0.04 percent (aprrox.)
Approximately 71 percent.
approximately 66.56 percent
water
43 percent