o
Mineral's
in the Earth's Crust
o Reaction between Metals and Non-metals
o Silicon Compounds
o Calcium
Compounds
o Natural Fuel Resources and Their Importance ⛏ petroleum fractions
3.6 Tanah dan Sumbernya
o
Kepelbagaian mineral dalam kerak Bumi
o Tindak balas antara logam dan bukan logam
o Sebatian silikon
o Sebatian
Kalsium
o Sumber bahan api semulajadi dan kepentingannya ⛏pecahan-pecahan
petrolium
