In the irrigation process, most of the water is wasted through…….
a) absorption
b) evaporation
c) condensation
d) precipitation
How much percent water use is reduced by the drip irrigation as compare to conventional sprinkler?
a) 10 to 20 %
b) 20 to 40 %
c) 30 to 70 %
d) 50 to 100 %
Preservation of Food:
Food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. Such practices date to prehistoric times.
Preventing the food from spoilage is called food………
a) protection
b) fermentation
c) preservation
Humans have been preserving food for ………
a) recent years
b) hundred years
c) two hundred years
d) thousands of years
Food preservation can be found in…culture on the planet earth?
a)Greek
b) Ethiopian
c) every
