What evidence supports a scientist's conclusion that fossil B is older than fossil A? Fossil A and fossil B were both found at the same depth below Earth's surface.
Fossil B was found at a depth of 185 meters below Earth's surface, while fossil A was found at a depth of 50 meters below Earth's surface.
Fossil B was found at a depth of 50 meters below Earth's surface, while fossil A was found at a depth of 185 meters below Earth's surface.
Fossil A was found below Earth's surface, while fossil B was found at surface level.

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano