Carbon dioxide can be used as a preservative. For which kind of food is this appropriate?
A. Root Vegetables
B. Meat
C. Grains
D. Oranges
Submit your answer in the comments below for your chance to win a prize worth £25!
The entry period is from 3rd March 2014 to 3rdApril 2014.
All entries must be received by midnight on 3rd April 2014.
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