expensive and inefficient, only works when it is sunny
5 of 10
how does geothermal energy work?
in volcanic areas, hot water and steam rise to the surface. the steam is trapped and used to drive turbines
6 of 10
what can small scale electricity productin be used for?
hydrolectricity in remote areas and solar for road signs
7 of 10
why is it a bad idea to connect small scale electricy production to the national grid?
because it is uneconomic
8 of 10
what is carbon capture?
when carbon dioxide is isolated from other gases that are produced as a result of fossil fuel combustion
9 of 10
what is carbon sequestration?
after carbon dioxide is captured it must be captured and compressed and transported to a storage site. CO2 is injected under such high pressure during sequestration that it becomes a liquid
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