They must find the right combination of soil mix, water content and drying methods.
VOA: special.2009.01.12
But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?
但这是种化合物,对吧?,它具有非零的生成热,水也是一样,对吧?
Methane, there are certainly some solid bonds there, but breaking those to form CO2 and water, well it's worth it, right, energetically.
酒精中的确含有很强的化学键,但是打断这些化学键然后生成二氧化碳和水,从能量上来看是值得的。
However,some eggs can stay in water for years until conditions are right for development.
VOA: special.2009.05.26
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