In between periods of Trade, carbon is sequestered, or saved. The carbon in fossil fuels has been sequestered for millions of decades. When fossil fuels are extracted and burned for energy, their sequestered carbon is launched in to the environment. Fossil fuels don't reabsorb carbon. If trees and crops are https://codyxqitf.topbloghub.com/44691310/about-biofuel-crops