Question

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when a volcano erupts, underground molten rock, called magma, is expelled onto earth’s surface. once on the surface, this molten rock is called lava. not all lava is the same, however. one way to distinguish between the different types of lava is how the lava looks after it cools. for example, two of the most common types of lava are pāhoehoe and aā. once cooled, pāhoehoe lava looks like billows or long, snake - like coils. cooled aā lava, on the other hand, has a rougher, chunkier surface. a third distinctive form of lava is called pillow lava. like its name, pillow lava looks like interconnected pillows or balls. its associated with underwater volcanoes where the sudden difference in temperature between the lava and the water creates pillow lava’s distinctive shape.
which term matches the picture?
pāhoehoe lava pillow lava aā lava

Explanation:

To determine the matching term, we analyze the descriptions:

• Pāhoehoe lava has a billowy or snake - like coil appearance when cooled.
• Pillow lava looks like interconnected pillows or balls (associated with underwater volcanoes).
• 'a'ā lava has a rough, chunkier surface.

The image shows a lava surface with billowy, snake - like coil - like patterns, which matches the description of pāhoehoe lava.

Answer:

pāhoehoe lava