礦物燃料是由動(dòng)植物的遺體經(jīng)過(guò)數(shù)百萬(wàn)年腐化而來(lái)的。
Hints:
methane
"proved reserves"
the Appalachian Mountains
Michigan
Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water. But it also leads to a fossil fuel. Natural gas is considered the cleanest of the fossil fuels, the fuels created by plant and animal remains over millions of years. Burning it releases fewer…
許多人認(rèn)為更清潔的能源僅限于開(kāi)采陽(yáng)光、水和風(fēng)等可再生資源，實(shí)際上，還有一種--礦物燃料。天然氣被認(rèn)為是最清潔的礦物燃料。礦物燃料是由動(dòng)植物的遺體經(jīng)過(guò)數(shù)百萬(wàn)年腐化而來(lái)的。 相較于石油和煤，天然氣燃燒時(shí)釋放更少的污染物。由于主要成分是甲烷，天然氣產(chǎn)生的二氧化碳僅是其他礦物燃料的一半。因此天然氣有助于減少二…