age of the rocks way the rocks were formed types of fossils the rocks contain number of minerals found in the rocks
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Rocks are classified as sedimentary, metamorphic, or igneous on the basis of the
Possibilities:
- age of the rocks
- way the rocks were formed
- types of fossils the rocks contain
- number of minerals found in the rocks

way the rocks were formed