level: sustainable energy
Questions and Answers List
level questions: sustainable energy
Question | Answer |
---|---|
what is a renewable energy resource | one that is being or can be replenished as it is used |
what are the advantages of renewable energy as a whole | - they do not run out - they do not not add CO2 into the atmosphere or contribute towards global warming |
why might wind power and solar power not be totally reliable | wind power relies on wind to turn turbines, not every day is windy, solar panel relies on the sun to generate electricity, not everyday is sunny enough |
what is the major disadvantage of hydro electric power | habitats are destroyed when dams are built and valleys are flooded, they are also no use in a place prone to drought |
how does geothermal energy work | uses heat from the earth to generate electricity and heat in buildings |
what is the problem with biofuels | if we use land to grow crops for fuel, that could push up the price of food |