Biofuels and non- renewables

Question 1

What are bio-fuels

Answer 1

They are plants and animal waste

Question 2

Advantages for bio-fuels

Answer 2

• renewable

- fairly reliable as crops take a short time to grow

Question 3

Disadvantages for bio-fuels

Answer 3

• they don’t respond to quick immediate demand for energy
• cost to refine bio-fuel as high
• some worry at the rate we need bio-fuels, there won’t be enough space and water to grow food
• forest have been cleared to grow bio-fuels so species lose their habitat
• the burning of vegetation increases CO2 and methane

Question 4

Advantages for fossil fuels and nuclear energy?

Answer 4

• they respond to quick immediate demand for energy

- cost-effective

Question 5

Disadvantages for fossil fuels and nuclear energy?

Answer 5

• slowly running out ( non-renewable)

- set- up can cost a lot

Question 6

What are the disadvantages of burning coal, oil, and gas

Answer 6

releases CO2 which adds to the greenhouse effect and contributes to global warming

Question 7

What does burning coal and oil lead to

Answer 7

releases sulfur dioxide which causes acid rain. This can be reduced by removing the sulfur before the fuel is burned

Question 8

What is a disadvantage of coal mining

Answer 8

The view can be spoilt by fossil fuel power plants

Question 9

What is bad about oil spillages

Answer 9

causes serious environmental problems that affect mammals and birds around the sea

Question 10

What is bad about nuclear power

Answer 10

Carries the risk of the major catastrophe that happened in Japan