Question

why igneous rock have no layers​

Answer 1

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Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust. Because of this, Igneous rock have no layers.

Answer 2

Explanation:

igneous rocks do not have layers. Layering in rocks is create through two principle means, the first of which is deposition.