HD Quiz powered by harmonic design
#1. The common sources of air pollutants are the following except
#2. The transfer of Pollen Grains from anthers to the stigma is called ____________
#3. A storage unit of computer is called ________
#4. An intersection of column and a row is called
#5. The process of transforming a used material in another form is known as
#6. The consequence of SMOKE ND DUST is to __________________________
#7. The ______________ is a gaseous layer that protect us from harmful rays from the sun.
#8. ______________ are tools used by a blacksmith
#9. ____________ is the introduction of pollutants in the environment
#10. The class of lever of a __________ is the Second Class Lever"
#11. Which from the list is not a domestic tool produced by a blacksmith
#12. The consequence of SULFUR DIOXIDE in atmosphere is to
