The oldest rock layer in an undisturbed rock sequence occurs A;at the bottom of the sequence
B; below the sedimentary rock layer
C;below the unconformity
D;at the top of the sequence

Use the table to answer question 22 23 and 24.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?