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Geography

Which outcome commonly occurs when low-silica lava cools rapidly?

A)Development of pahoehoe lava texture
B)Formation of columnar jointing structures
C)Explosive eruption due to vesiculation
D)Creation of steep-sided stratovolcano cones

💡 Explanation

Pahoehoe forms from fluid lava because rapid surface cooling creates a skin that wrinkles as molten lava flows underneath, therefore a smooth, ropy texture results, rather than blocky or explosive forms due to volatile content.

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