Answer:
the answer should be A. the sum of all forces acting on an object
Explanation:
Answer:
Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks. Over 300 naturally-occurring isotopes are known.
The correct answer is B) they operate at a higher efficiency. sorry hope the answers not to late :(
