1994
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Hace 4 días · renewable energy, usable energy derived from replenishable sources such as the Sun ( solar energy ), wind ( wind power ), rivers ( hydroelectric power ), hot springs ( geothermal energy ), tides ( tidal power ), and biomass ( biofuels ). The transition to renewable energy explained by Phil the Fixer.
- Sulfur Dioxide
Sulfur dioxide can be liquefied under moderate pressures at...
- Heart Disease
Heart disease, any disorder of the heart. Examples include...
- Alternative Energy
In the late 1900s people began to look for different, or...
- Sulfur Dioxide
Hace 3 días · sources of primary particles include fires, smokestacks, construction sites, and unpaved roads; sources of secondary particles include reactions between gaseous chemicals emitted by power plants and automobiles
Hace 5 días · Coal is an abundant natural resource that can be used as a source of energy, as a chemical source from which numerous synthetic compounds (e.g., dyes, oils, waxes, pharmaceuticals, and pesticides) can be derived, and in the production of coke for metallurgical processes.
Hace 2 días · Natural gas (also called fossil gas, methane gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (97%) [1] in addition to various smaller amounts of other higher alkanes. Traces of carbon dioxide, nitrogen, hydrogen sulfide, and helium are also usually present. [2]
Hace 4 días · Primary sources are the "materials on a topic upon which subsequent interpretations or studies are based, anything from firsthand documents such as poems, diaries, court records, and interviews to research results generated by experiments, surveys, ethnographies, and so on."*
Surface water, groundwater and rainwater are our main sources of water. The quantity, quality, and reliability of available water are the important factors considered when sourcing water. Fluorosis caused by fluoride in water is a well-known health problem in Ethiopia.
Hace 5 días · 14 min read. Photo: © Branko Nađ, Well with Nature /EEA. Air pollution is the largest environmental health risk in Europe, causing cardiovascular and respiratory diseases that lead to the loss of healthy years of life and, in the worst cases, to preventable deaths.
