Tecnología

Question	Answer
Where wood is from?	Obtained from felling trees, burned to generate heat and light.
Advantages of wood	-Cheap source of energy. -If the trees are replaced, wood burning can be a long-term, sustainable energy source.
Disadvantages of wood	-When burned it gives off atmospheric pollutants, including greenhouse gases. -If trees are not replanted wood is a non-renewable resource.
Where solar is from?	Sunlight
Advantages of solar	Infinite energy supply
Disadvantages of solar	Manufacture and implementation of solar panels can be costly.
Where wind is from?	Infinite energy supply.
Advantages of wind	Infinite energy supply.
Disadvantages of wind	- Manufacture and implementation of wind farms can be costly.
where tidal is form?	• - The movement of tides
Advantages of tidal	Potential to generate a lot of energy.
Desavantages of tidal	• - Construction of barrage is very costly.
Where is wave form?	• - The movement of seawater
Advantages of wave	Ideal for an island country.
disadvantages of wave	• - Construction can be costly. • - Negative impact on wildlife
Where is Geothermal form?	• - Using the natural heat of the earth.
Advantages of geothermal	Infinite energy supply
disadvantages of geothermal	- Can be expensive to set up and only works in areas of volcanic activity.
where Hydrological is from?	Energy harnessed from the movement of water through rivers, lakes and dams.
advantages of Hydrological	Creates water reserves as well as energy supplies.
disadvantages of Hydrological	-Costly to build. - Can cause the flooding of surrounding communities and landscapes. - Ecological impacts

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	Created by sandra comin over 9 years ago