Published September 8, 2008
by iris_author
Source: BBC Nov 2004.
1. The energy used to import a kg of fresh spinach from California to the UK is equivalent to running a 100 watt light bulb for:
A: 1 year
B: 1 month
C: 2 weeks
D: 1 week
2. It takes 3.5 times as much of what to produce a litre of non-organic milk compared to a litre of organic milk?
A: Energy
B: Water
C: Fertilizer
D: Land
3. A typical British family of four emits 4.2 tonnes of C02 from their house each year and 4.4 tonnes from their car. How much is emitted from the production, packaging and distribution of the food they eat?
A: 1 tonne
B: 2 tonnes
C: 4 tonnes
D: 8 tonnes
Answers:
1. B
2. A – Organic milk comes from cows which are fed on pasture which is not treated with fertilizers and pesticides. Much of the extra energy used in the production of non-organic milk is energy used in the production of the fertilizer.
3. D
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