Biofuels Flashcards
1
Q
What is a biofuel?
A
Fuel made from biological material (i.e. glucose)
2
Q
What is one ethical issue of biofuels?
A
> Food supplies may deplete as crops are used for biofuels instead
3
Q
What issue of biofuels involves habitats?
A
> To make land for biofuel crops requires deforestation (cutting down trees)
This destroys habitats
4
Q
Why may biofuels be bad for the atmosphere?
A
As biofuels require deforestation, there will be less trees overall to absorb CO₂ and more CO₂ polluting the atmosphere
5
Q
Why may biofuel pollute water?
A
Biofuels require fertilisers which can pollute water
6
Q
What is an advantage of biofuels in terms of their source?
A
Glucose and other biological material are renewable
7
Q
Why may biofuels be good for the atmosphere?
A
Unlike fossil fuels
