Answer:
Two technologies that can benefit the developing countries are:
Recombinant DNA technology or genetic engineering: As researches show, the population of most of the developing countries is far more than the resources the country can produce. Techniques of genetic engineering can help in crop production so that the food needs of these countries can be solved, Also, genetic engineering is helpful in may aspects like health, bio-remediation.
Nanotechnology: The development of nanotechnology can help the developing countries in many ways such as the development of better and efficient fuels for the country.
