U2-1-4 - Sustainable Energy and the Carbon Cycle

Question 1

Plant-based material which can be burned as fuels.

(E.g. wood, dried animal dung or crop waste)

Answer 1

Biomass

Question 2

Biofuels

Answer 2

Fuels made from biomass.

Question 3

Give an example of a biofuel

Answer 3

Any one of:

bioethanol, biodiesel, biogas.

Question 4

The series of processes that recycles carbon between the atmosphere, the Earth and living organisms.

Answer 4

Carbon cycle

Question 5

The process used to remove carbon dioxide from emissions.

Answer 5

Carbon capture