out of balance - pack 16

Question 1

why would the carbon cycle be out of balance

Answer 1

• combustion of fossil fuels
• deforestation

Question 2

what is coal and how is it formed

Answer 2

coal is a fossil fuel- formed from the wood of trees that lived millions of years ago therefore a product of photosynthesis; the wood didn’t decay for release the co2 as they fell into anaerobic conditions which fungi and algae couldn’t grow therefore carbon is locked in the coal

Question 3

what can stores of coal be known as

Answer 3

carbon sinks

Question 4

how long has the carbon been stored away (net removal)

Answer 4

after a million years

Question 5

peat bags are formed by

Answer 5

non decayed small plants. peat bogs are also carbon sinks

Question 6

what happens when we extract and burn coal , other fossil fuels and peat bogs

Answer 6

the carbon released as co2 has been at of circulation for millions of years

Question 7

what is the consequence of burning fossils field at a much faster rate than they are forming

Answer 7

increase in global co2 emissions