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Igneous rocks are formed Group of answer choices 1. through the freezing or crystallization of a melt.2. by changing existing rock by the application of heat and pressure.3. by depositing loose material into layers.4. by chemically precipitating from solutions.

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Glamourboy005

Answer: 1. through the freezing or crystallization of a melt

Explanation: Igneous rock is formed through the freezing and solidification of magma. The magma are from partial melts of existing rocks in the Earth's crust. Basically, the melting is caused by an increase in temperature, a decrease in pressure, or a change in composition.

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