What is the primary factor responsible for the preservation of fragile ancient Egyptian papyri, wooden artifacts, and mudbrick structures over thousands of years?
Answer and explanation
Correct answer: D. Extreme aridity and absence of moisture in desert soils
- Step 1: Egypt's hyper-arid climate, with minimal rainfall and very low relative humidity along the desert fringes where tombs and necropolises were constructed, prevented fungal decay, bacterial decomposition, and chemical leaching, preserving organic antiquities for millennia.
Answer
Extreme aridity and absence of moisture in desert soils.
Why not the others: 'Permafrost' exists in polar regions; 'Torrential monsoon rains' cause rapid erosion and rot; 'High humidity' accelerates decay and microbial growth.
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