Rock layers are correlated if they both contain the same fossils. The correct option among all the options that are given in the question is option "c". There is another answer that is very close to the answer that i have given and that is the type of rocks. Since fossils is the closest answer, so i have chosen that.
Standards for weights and measures and the legal system were put in place..
Meteorology is the interdisciplinary scientific study of the atmosphere so Meteorology is best defined as C