The answer is C
explanation
Answer:
C. A density gradient tube and a soil triangle
Explanation:
- The soil analysis is used to breaks the soil indifferent type on the basis of the texture class such as the silt, clay and sand etc. Influenced by the nutrient, and the water retention capacity.
- Soil triangle is used to define the type of the soil texture and also helps to establish the quality and nature of the soils found in various environmental conditions.
Answer:
Many things, such as weather change, migration cycles being thrown off, droughts, floods, and more
<span />The main difference lies in the focus of the models. The stages of economic growth focuses on the development of one
country, while the core-periphery model focuses on many countries all
across the globe. Other difference is that Rostow is capitalist according who a country can finance their own development, while Wallerstein is Marxist<span><span>. According Wallerstein peripheral
countries will always be dependent on the core countries.</span>countries.</span><span>Another difference is that Rostow's model has five stages, while Wallerstein's has three tiers.</span>