"The three important benefits to the soil provides is nutrients, moisture, and aeration and structure."
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Well its Organic Chemistry... and is the Fractional Distillation of Crude Oil
One molecule of water contains two atoms of hydrogen and one atom of oxygen, the atomicity of water is three.
Answer:

Explanation:
2C₄H₁₀ + 13O₂ ⟶ 8CO₂ + 10H₂O
n/mol: 4.3
13 mol of O₂ react with 2 mol of 2C₄H₁₀

Answer:
Hope this helps :D
Explanation:
Metal: Aluminum and Copper
Non-Metal: Hydrogen and Flourine
Acid: Sulfuric Acid and Phosphoric Acid
Alkali Metals: Hydrogen and Lithium
Compounds: Water and Carbon Dioxide
Elements: Carbon and Oxygen