Elements in the ecosystems are mutually dependent on each other
Explanation:
The ecosystems are very complex. Basically, they represent a community of living organisms in conjunction with the non-living components of the environment, and all together acting a single system. All the living organisms have influence on each other, but also on the non-living components of the environment, and vice versa. This results in the system being a ''well oiled machine'', but also making it very fragile, as if one component is eliminated, everything will suffer.
- The ecosystems are defined by multiple factors, including the latitude, climate, topography, and the living organisms themselves.
- Everything is dependent on many other components in an ecosystem, so drastic changes often have devastating effects, resulting in extinctions.
- The changes in the ecosystems occur because of the natural cycles, impact with space objects, or more recently because of the human activity.
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There are two main factor that make ocean water more or less dense than about 1027 kg/m3:
Answer: The Raven (Edgar Allan Poe’s poem) fits into the Romantic movement
Explanation:
The Raven is an excellent example of Romanticism, particularly of its Dark/Gothic side.
This kind of Romanticism has a dark approach present throughout Poe´s poem. For example, from the beginning, we have a description by the narrator of the exhausted state he is in reading long-forgotten books, which sets up the dim tone of the poem.
Another characteristic of
Dark Romanticism also presents many eerie symbols such as Poe´s raven itself. Furthermore, guilt and sin, usual feelings in Dark Romantic novels´ characters, are those of the narrator, who ends up driving himself crazy.
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.
