Manganese is most commonly found in which form when it is extracted from sedimentary or metamorphic rocks?
Consider the following statements 1. Igneous rocks are the oldest rocks, while metamorphic are being derivative of igneous rocks and sedimentary rocks. 2. Resistance to weathering and erosion is less to metamorphic rocks compared to igneous rocks 3. Tendency to react with acids is higher to metamorphic rocks when compared to igneous rocks. Which of the above statement(s) is/are correct?