Conventional Energy Sources: Coal, Oil, and Natural Gas
Item 1. Conventional Energy Sources
Need for Energy
Energy is conceived as the ability to produce work. All forms of energy come from, have a direct or indirect, source: the Sun. The Sun is the first and most important energy source. Humans have learned to avail themselves of other energy sources like wind (construction of windmills), or kinetic energy of water (building watermills, moving simple machines, etc.).
New energy sources (solar photovoltaic, geothermal, etc.).
Manifestations of Energy
Potential
Read MoreSpain’s Diverse Landscapes: A Journey Through Nature’s Majesty
Spain’s Biogeographical Regions
4.1 The Great Outdoors of Spain
Spain’s diverse environment comprises various interconnected elements, forming distinct biogeographical regions or landscapes. These areas vary in size and are characterized by unique physical features, including relief, climate, vegetation, and water resources.
4.1.1 Humid Spain
Located in northern Spain, along the Cantabrian coast and in Galicia, Humid Spain experiences an oceanic climate with regular, abundant rainfall (over 800 mm annually)
Read MoreGeography Terms Explained: From Desertification to Urban Morphology
Desertification: The process, continuing over time, of transforming terrain into desert due to human action. Not to be confused with desertification, which is a similar process but of natural causes.
Deurbanization: The process by which the population of large metropolitan areas begins to decrease, while small and medium-sized cities grow at a strong pace. This occurs because industrial activities are no longer concentrated in big cities.
Dolinas: Funnel-shaped hollows of various sizes, found singly
Read MoreNatural Hazards and Environmental Challenges in Spain
Nature and the Environment in Spain
Natural Hazards
Geological Hazards
Earthquakes
Earth tremors in Spain are due to the peninsula’s location at the edge of the African and Eurasian plates. This subduction zone makes the South and Southeast the areas with the highest seismic risk.
Volcanic Eruptions
The Canary Islands are the only area with currently active volcanoes in Spain.
Slope Movements
These are rapid movements of large masses of earth and rocks down a slope. They are characteristic of humid regions
Read MoreUniverse, Earth, and Life: Formation and Evolution
The Origin of the Universe
The Sun, an ordinary yellow star, orbits the outskirts of the Milky Way galaxy. Galaxies are vast clusters of billions of stars, held together by gravity. Before the universe existed, there was nothingness. The Big Bang theory proposes that the universe originated from a massive expansion of elementary particles. Initially, the universe was filled with positive particles colliding in a sea of photons. Through the interaction of protons and neutrons, which attracted electrons,
Read MoreUnderstanding Geological Processes and Their Impact on Relief
Sculpting the Relief · Mountains, rivers, glaciers, and wind modify the relief, acting as geological agents. These processes are activated by solar energy, which favors the evaporation of water and allows for rain and gravity to play their roles. External geological agents and actions are involved in these processes, while internal processes are caused by the heat inside the Earth. Factors Affecting Relief Shape. Land surface processes take form through the modeling of the relief: • Each type
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