Answer:
Sandy soil
Explanation:
Water movement in soils is called <em>soil hydrology.</em> The soil texture, the soil structure and gravity affects soil hydrology.
In sandy soil, the particles are largest compared to other types of soils, and these particles are held loosely together.
Water will move laterally in the soil profile if there is enough pore space in that soil (which sandy soils possess). This movement is aided by the capillary action of water in small spaces. The water will bind to the edges of the pores and slowly move laterally and even upward if the voids are small enough.
Answer:
Students in AP World History must learn to view history thematically. The course is organized around
five overarching themes that serve as unifying threads throughout the course, helping students to relate
what is particular about each time period or society to a “big picture” of history. The themes also provide
a way to organize comparisons and analyze change and continuity over time. Consequently, virtually all
study of history in this class will be tied back to these themes by using a “SPICE” acronym.
Explanation:
The reason why the Midwestern United States have a very fertile soil, but Canada doesn't, despite both of them being covered by glaciers until relatively recently, and both having the same age of soil, is the climate and vegetation.
Canada is much colder than the Midwest, its winters are longer, and the summers mild, while the Midwest has higher temperatures, prolonged period of drought, and seasonal rainfall.
Because of this, Canada has been covered by coniferous forests. They leave relatively little biomass, and also the climate is making the decomposition of the biomass very slow, thus resulting in relatively poor soil quality.
In the Midwest, the climate is perfect for the development of the grasslands. The grasses grown and die each year. They live a lot of biomass, and the higher temperatures contribute that the biomass decomposes pretty quickly, thus resulting in good quality soil.
Answer:
population pyramids
Explanation:
Population pyramids show the structure of a population by comparing relative numbers of people in different age groups.
Population structures differ markedly between Less Economically Developed Countries LEDCs and More Economically Developed Countries MEDCs.
The shape of a population pyramid can tell us a lot about an area's population.
Usually pyramids are drawn with the percentage of male population on the left and percentage of female population on the right.
It gives us information about birth and death rates as well as life expectancy.
