which statement is an example of an observation a scientist would make to clarify a rock.
A, a rock is larger than other rock.
b. A rock was found in a stream.
c, A rock is formed from molten lava.
b. A rock cracks in half after a rainstorm.
Explanation: Geologists classify rocks by looking at their chemical and mineralogical composition then at the the size and shape of their component minerals then at any texture.