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Biomass can be used to produce electricity, transportation fuels, or chemicals.The use of biomass for any of these purposes is called bioenergy. It's always combined with other elements, such as with oxygen to make water.Renewable Energy uses energy resources and technologies that are “clean” or “green” because they produce few if any pollutants.
There are two types of solar energy: “Passive” and “Active”.
The first simply involves making use of the position, intensity and duration of the suns rays throughout the day to best advantage, using it to heat our homes or induce an air flow by convection from one room to another, without the use of extra technology beyond what is needed to store the energy.
The sun also warms the surface of the ocean more than the ocean depths, creating a temperature difference that can be used as an energy source.
All these forms of ocean energy can be used to produce electricity.
In fact, ocean energy comes from a number of sources.
In addition to tidal energy, there's the energy of the ocean's waves, which are driven by both the tides and the winds.
Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.
The sun's heat also drives the winds, whose energy, is captured with wind turbines.
Geothermal energy taps the Earth's internal heat for a variety of uses, including electric power production, and the heating and cooling of buildings.
And the energy of the ocean's tides come from the gravitational pull of the moon and the sun upon the Earth.