read the text. when a volcano erupts, underground molten rock, called magma, is expelled onto earths…

read the text. when a volcano erupts, underground molten rock, called magma, is expelled onto earths 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 lavas distinctive shape. which term matches the picture?

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