What type of economic activity could be used African countries used to promote environmental conservation? a. shifting agriculture
b. desertification
c. transnational trading zones
d. ecotourism

African countries can use ecotourism to promote environmental conservation.

Explanation:

African countries in total are countries that are developing. Some have come much further in their development than others but they all still have a long way to go. While developing, be it in the past or in the present, every country has had its share in damaging the environment and Africa is not an exception.

In order to protect the environment, but also to be able to benefit economically from it, African countries can use ecotourism. The continent is abundant with areas that are highly attractive for tourists from all over the world, and also it is tourist activities that take longer time than usual and are well paid. By protecting the environment and using ecotourism, African countries will have a sustainable economic income as well as a healthier environment.

the correct answer is c.