Biofuels

Question 1

Advantage and disadvantages of replacing fossil fuels with biofuels

Answer 1

biofuels are renewable
Growing crops to make biofuels requires land and may affect the availability of land for growing food
The balance between the carbon dioxide removed from the atmosphere as these crops grow and the carbon dioxide produced when they are transported and burned.

Question 2

Define biofuels

Answer 2

Biofuels are obtained from Living organisms or organisms that have recently dies

Question 3

An example of a biofuel

Answer 3

Ethanol is obtained by processing sugar cane or sugar beet and that it can be used to reduce the demand for petrol