To determine the age of sedimentary rocks containing fossils, ___________________ _ zones are established, plotting the overlapping geologic ranges of different species of fossils.
Fill in the blank(s) with correct word
Question 2
A slope material's strength and cohesion, the amount of internal friction between grains, and any external support of the slope define that slope's ____.
A)mass wasting
B)angle of repose
C)dynamic equilibrium
D)shear strength
E)cohesive strength