Which of the following is not a major benefit of international trade?

A. Countries improve efficiency through producing goods in which they have the lowest opportunity cost.

B. Countries earn revenues from tariffs that are placed on imported goods

C. Companies gain the goods and services they need.

D. Host countries benefit by gaining jobs and tax revenue from multinational corporations.

Are these the options?

If so, answer is B.

assuming that you are talking about the one in egypt: hecka oil

explanation:

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.