Match the object with the radioactive isotope that could be used at some point to date the object.

Answer. first blank ; ; ; clockwise; the second blank; ///clockwise;

Ithink the answer is either a , c or d

Adrought is taking place

Ithink the answer is ,temperature,pressure, and chemical changethey are identified by texture,streak,and locationthere are three ways that metamorphic rocks can form contact, regional,and dynamic metamorphism good luck, all this came right outta of the book