Question : Which of the following is 'not' one of the three major types of rocks?
Option 1: Magnetic Rocks
Option 2: Metamorphic Rocks
Option 3: Sedimentary Rocks
Option 4: Igneous Rocks
Correct Answer: Magnetic Rocks
Solution : The correct option is Magnetic Rocks .
Magnetic rocks are primarily formed due to certain minerals within the rocks that contain magnetic elements such as iron, nickel, and cobalt.
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