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煤和石油的形成受几个条件的约束:煤是一层一层形成的;在煤矿中发现有植物叶片化石;煤的碳含量可以高达百分之九十以上;石油的形成有水的参与;石油中存在生物标志物。由约束条件可以得出煤和石油不是地球固有资源,而是在地球上出现生物后形成的。而煤的形成过
The formation of coal and oil is governed by several conditions: coal is formed layer by layer; plant leaf fossils are found in coal mines; carbon content in coal can be as high as 90% or more; and the formation of water involves the participation of water Biomarkers exist in petroleum. It can be concluded from the constraints that coal and petroleum are not inherent resources of the earth but formed after the emergence of living things on the earth. The formation of coal over