6.5 petroleum, gas asli dan arang batu

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6 TANAH DAN SUMBERNYA

6.5 SUMBER BAHAN API SEMULA JADI DAN KEPENTINGANNYA

SUMBER BAHAN API SEMULA JADI

• Petroleum• Kayu• Gas asli• Arang batu

FORMATION OF PETROLEUM & NATURAL GAS

FRACTIONAL DISTILLATION

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