Biomass:
• Competition with crops for land resource.
• Plant/animal waste used as energy source.
• Reference to anaerobic digestion.
• Oil production from rape seed/can be used as a fuel in diesel engines.
• Low environmental impact on wildlife/soils and area.
• Growing grass/willow or other appropriate crop.
• Cheap and readily available.
• If replaced, it can be a long term, sustainable solution.
• Grants available for growing willow.
• When burned it gives off atmospheric pollutants, including greenhouse
gases.
• Only renewable if crops are replanted.
• No/limited income while crops are re-growing.
• Wide range of suitable locations.
• Reference to efficiency.
Tidal:
• Main sea lough that could be used is Lough Foyle/Strangford Lough.
• Problems with impact on wildlife.
• Ideal for islands.
• Potential to generate a lot of energy.
• Tidal barrage can double as a bridge and help prevent flooding.
• In future underwater turbines may be possible out to sea, and without
dams.
• Construction of barrage is costly/maintenance of barrage is costly.
• Only a few estuaries are suitable.
• May reduce tidal flow and impede flow of sewage out to sea.
• Correct reference to efficiency.
Sun:
• Solar panels/solar farm.
• Photovoltaic (PV) panels. Alternative valid response.
• Grants available.
• Efficiency varies/dependant on facing direction of building/time of day.
• Expensive to set up.
• Low environmental impact.
Wind:
• Turbines/wind farm.
• Expensive to set up/maintenance cost.
• Grants available.
• Public objection/visual impact/sound pollution.
• Can kill birds.
• Turbines can be found singularly or together in wind farms.
• Accept positive comments on environmental impact.
• Efficiency dependant on location/wind speed/reliability.
queen babito answered the question on July 10, 2018 at 13:31
- Explain why rainforests are important for maintaining life on earth.
(Solved)
Explain why rainforests are important for maintaining life on earth.
Date posted: July 10, 2018. Answers (1)
- Explain why plants need nitrogen (N).(Solved)
Explain why plants need nitrogen (N).
Date posted: July 10, 2018. Answers (1)
- Discuss how farmers can produce the best quality silage with maximum yield. (Solved)
Discuss how farmers can produce the best quality silage with maximum yield.
Date posted: July 10, 2018. Answers (1)
- Give one disadvantage of growing GM crops.
(Solved)
Give one disadvantage of growing GM crops.
Date posted: July 10, 2018. Answers (1)
- Describe any two tasks that a conservation worker might do.(Solved)
Describe any two tasks that a conservation worker might do.
Date posted: July 10, 2018. Answers (1)
- Define concentrates and give examples(Solved)
Define concentrates and give examples
Date posted: July 2, 2018. Answers (1)
- Give the examples of proteins found in animals(Solved)
Give the examples of proteins found in animals
Date posted: July 2, 2018. Answers (1)
- i)What is nutrition?
ii)Why is nutrition important?(Solved)
i)What is nutrition?
ii)Why is nutrition important?
Date posted: July 2, 2018. Answers (1)
- Name the contents contained in milk(Solved)
Name the contents contained in milk
Date posted: July 2, 2018. Answers (1)
- What Are Some Solutions to Global Warming?(Solved)
What Are Some Solutions to Global Warming?
Date posted: June 28, 2018. Answers (1)
- Give four examples of joint products in livestock product(Solved)
Give four examples of joint products in livestock product
Date posted: June 23, 2018. Answers (1)
- State the importance of tillage(Solved)
State the importance of tillage
Date posted: June 18, 2018. Answers (1)
- What are the different types of nursery beds?(Solved)
What are the different types of nursery beds?
Date posted: June 18, 2018. Answers (1)
- State the Common seed pre-sowing treatment methods.(Solved)
State the Common seed pre-sowing treatment methods.
Date posted: June 18, 2018. Answers (1)
- What are the measures of improving field crop production?(Solved)
What are the measures of improving field crop production?
Date posted: June 18, 2018. Answers (1)
- State three characteristics of wind-dispersed weeds(Solved)
State three characteristics of wind-dispersed weeds.
Date posted: June 17, 2018. Answers (1)
- (a) What is a nursery? (b)State the Importance and roles of a nursery. (c)State the Factors considered when setting a nursery.(Solved)
(a) What is a nursery?
(b)State the Importance and roles of a nursery.
(c)State the Factors considered when setting a nursery.
Date posted: June 11, 2018. Answers (1)
- State and explain the different Grafting Methods(Solved)
State and explain the different Grafting Methods
Date posted: June 11, 2018. Answers (1)
- What are the Importance of grafting in plant propagation?(Solved)
What are the Importance of grafting in plant propagation?
Date posted: June 11, 2018. Answers (1)
- Explain Grafting and budding as a method of asexual method of plant propagation(Solved)
Explain Grafting and budding as a method of asexual method of plant propagation
Date posted: June 11, 2018. Answers (1)