Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition
A. Only 1, 2 and 3 are true
B. Only 2, 3 and 4 are true
C. Only 1, 2 and 4 are true
D. Only 1, 3 and 4 are true
Answer: Option C
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