Your class goes on a field trip to observe drilling machinery. The geologists at the drill site show you
displays of drilled rocks to compare different types of drills and methods. The drilled holes in one rock
display are significantly larger than the holes drilled in the display next to it. Given this information,
which statement is correct? (1 point)
The rock display with larger holes shows petroleum drilling, which is deep
underground.
The rock display with smaller holes shows copper drilling, which is deep
underground.
The rock display with larger holes shows copper drilling, which is closer to
the surface.
The rock display with smaller holes shows petroleum drilling, which is
closer to the surface