And you can have what we call organic molecules, and these are the bricks of life, and you can have fossils, and you can minerals, biominerals, which is due to the reaction between bacteria and rocks, and of course you can have gases in the atmosphere.
我们有所谓的"有机分子"， 这些是生命大厦的建筑材料， 我们有化石， 还有矿物质、生物矿物质， 生物矿物质是由细菌和 岩石发生反应所产生的， 当然，我们还有大气中的气体。