Why igneous rocks are said to be primary rocks? Answer in one sentence. NO SPAMMING
jatinboora311:
Magma erupts from volcanic eruptions and on reaching earths crust it is called lava and solidifies by cooling. So they are referred to asprimary rocks. ...
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igneous rock are said to be as primary rock because they are formed by the remaining of lava
no. the reason is 'Because they were first rock to be found on the surface of the earth'
OK, your answer is also correct
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