P3 energy resources

Question 1

renewable energy sources

Answer 1

will never run out, don't produce harmful waste products 
cheap to run, spenny to install
Hydroelectric 
wind
solar
geothermal
biofuels ( methane and ethanol )

Question 2

tidal power

Answer 2

traps each high tide and uses it to turn generators

Question 3

geothermal energy

Answer 3

energy released by radioactive substances deep in earth
transferred by heating towards earths surface
water pumped to produce stream which drives electricity turbines at ground

Question 4

energy dis

Answer 4

fossil fuels produce GGs global warming
nuclear- radioactive waste
renewable- cover large areas, may disrupt natural habitats

Question 5

evaluating energy sources

Answer 5

reliability
enviro effects
pollution
waste

Question 6

dis nuclear

Answer 6

expensive to build, run and decommission