Wow.. Alexander the Great.... I remember learning about him... Any ways to answer your question your answer would be possibly D.. if i am incorrect then I am truly sorry.
Answer:
La conexión que se establece es que la Antártida es un territorio codiciado por las potencias hegemónicas, debido a lo que ofrece respecto a minerales y agua dulce, no es casualidad que las bases militares británicas crearon medios de transporte y apoyo logístico en zonas apropiadas para permitir el abastecimiento y traslado, no solo para los ingleses si no también para otras potencias como Estados Unidos, en disputa por el petróleo y los minerales.
<span>D. provide systematic irrigation.</span><span>
Agriculture Science is the science of crop production and its improvement. In Agriculture Science, scientists focus on research and development on various aspects of crop technology and production.
Crop improvements include:
1. Irrigation Management as a production technique
2. Minimizing the growth of pests
3. Transformation of raw products to end-consumer products
4. Prevention of adverse environmental effects (e.g. waste management and soil degradation)
5. Supply and demand for food in a global basis 6. Crop quantity and quality 7. Study of other fields of agriculture (e.g. soil science) </span>