Explanation:
The solution for this problems are found in the society due to the fact that the cause of the problem is usually in the society. Only the social approach can solve this problem since its nature is social, hence all the effort on this problem should be looked at from the social perspective :)
Radioactive dating is a way to determine the age of fossils by comparing the number of stable isotopes to the number of unstable isotopes using known half-life. The only rocks that can be radiometrically dated would be the igneous rocks.
The answer would be letter C.
Powers are denied to the National Government in three distinct ways: Some powers, such as the power to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly denied to the National Government in the Constitution.