Biofuels Flashcards
1
Q
Levels of carbon dioxide and methane in the atmosphere are contributing to…
A
Global warming
2
Q
What 5 things may an increase in the Earth’s temperature by a few degrees cause?
A
Big changes to the Earth’s climate, rise in sea levels, reduce biodiversity, changes in migration patterns, changes to the distribution of species
3
Q
Where can CO2 be sequestered?
A
In oceans, lakes and ponds
4
Q
Why is it important that CO2 sequestered?
A
As it removes it from the atmosphere
5
Q
What are biofuels made from? Which process is involved?
A
Natural products by fermentation
6
Q
What’s biogas mainly made from?
A
Methane
7
Q
How is biogas produced?
A
Anaerobic fermentation of a wide range of plant products or waste material containing hydrocarbons
