A scientist observed two rock samples. Sample A was found in the bottom of a dried–up lake and contained fossils. Sample B was found near a volcano and was glassy in appearance. Which statement is MOST LIKELY correct?

A.
Sample A is an igneous rock, and Sample B is a sedimentary rock.
B.
Sample A is a sedimentary rock, and Sample B is an igneous rock.
C.
Sample A is an igneous rock, and Sample B is a metamorphic rock.
D.
Sample A is a metamorphic rock, and Sample B is a sedimentary rock

B. Sample A is a sedimentary rock, and Sample B is an igneous rock.