*/*_Which of the statements is/are correct? 1. Igneous rocks are classified into Extrusive and Intrusive rocks.2. Sedimentary rocks are also called as Primary rocks3. Marble is an example of Metamorphic rocks4. Coal is a sedimentary rock?

*/*_Which of the statements is/are correct? 1. Igneous rocks are class

1.	/_Which of the statements is/are correct? 1. Igneous rocks are classified into Extrusive and Intrusive rocks.2. Sedimentary rocks are also called as Primary rocks3. Marble is an example of Metamorphic rocks4. Coal is a sedimentary rock?
A.	1 only
B.	2 and 3
C.	1, 3 and 4
D.	2 and 4
Answer» D. 2 and 4