PDF chapter test TRY NOW

Compare and contrast bio-mass and hydroelectricity as sources of energy.
 
Bio-mass:
 
It is obtained from
. It is a
.
 
Examples - 
 and
.
 
Hydroelectricity:
 
It is obtained from the
.
 
 and 
are used in hydroelectricity.
Answer variants:
dead plants and animals
potential energy of the stored water at a particular height
wood
gobar gas
reservoirs
renewable source of energy
Dams