Answer: A) import substitution.
Explanation:
Import substitution is the process of replacing items sourced solely from other countries with domestic production/industries. It reduces or eliminates the reliance on importation and is usually put in place for key products.
It is also practiced by developing countries or economies as a policy to reduce dependency on other countries, as well as limit the effects of foreign trade on the foreign exchange market.
The soil layers are, in order: dirt, humus, rock. So the answer is D.
The right answer for the question that is being asked and shown above is that: "<span>C. Asia; Western Hemisphere." </span>Exit Oceanic peoples made more inter island contact than peoples of Asia, but less than other civilizations of the Western Hemisphere.