Which is the first step that geological must do to compare rock layers at distant locations. A. Find the absolute age of rocks at both locations

B. Compare a layers at one location to layers at other locations

C. Identify index fossils in one or more layers at one locations

D. Collect fossil from different locations to study the organisms lifestyles

B. Compare a layers at one location to layers at other locations.

Explanation:

Hope it helps.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: