The geophysical tools used to identify rock type and type of liquid are called: (a) squiggles (b) lasers (c) imaginers (d) logs.

c people in 46 occupations

explanation:

since the crust is readily accessible, scientists have been able to perform hands-on experiments to determine its composition; studies on the more distant mantle and core have limited opportunities samples. so scientists also rely on analyses of seismic waves and gravity and as well as magnetic studies.