Factors which caused an Increase in Air Pollution in China:
A.) Coal Combustion
B.) Slash and Burn
C.) Excessive disposal of Garbage into Open Area
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Answer:
Basaltic magma -- SiO2 45-55 wt%, high in Fe, Mg, Ca, low in K, Na
Andesitic magma -- SiO2 55-65 wt%, intermediate. in Fe, Mg, Ca, Na, K
Rhyolitic magma -- SiO2 65-75%, low in Fe, Mg, Ca, high in K, Na
Explanation:
Answer:
hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.
Explanation:
