solve 4,5 and 6 question
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LIMITATIONS OF SOLAR ENERGY :
1. High cost
2. low energy production
3. required high maintenance
DECOMPOSITION OF DOMESTIC WASTE :
use a dark and damp location
no plastic must be involved
only organic waste must be used
1. High cost
2. low energy production
3. required high maintenance
DECOMPOSITION OF DOMESTIC WASTE :
use a dark and damp location
no plastic must be involved
only organic waste must be used
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