HD Quiz powered by harmonic design
#1. These are the uses of Oxygen except
#2. Choose the correct answer
#3. The reflected sound is called__________________
#4. Anything we can see or touch is called _____________________
#5. ______________ is a work(moisten flour or clay) into dough or paste with hands
#6. The growing of seed into seedlings or young plant is commonly known as___________
#7. Choose the correct property of air .
#8. The following are the importance of wind in our daily life except
#9. Oxygen occupies ___________ in the air
#10. The process by which green plants make their own food is called _______________
#11. Which from the list is not a type of wind?
#12. Rare gases like Argon is useful in________________
#13. These are the importance of Carbon dioxide except
#14. Nitrogen has the following importance except
#15. ________________ is the increase of of atmospheric temperature on earth's surface
#16. The following are the properties of carbon monoxide except
#17. Choose the correct property of air .
#18. Choose the correct property of air .
#19. The mixture of Oxygen, Carbon dioxide, Nitrogen ,Rare gases and other gases is called____________________
#20. The processed data is called _____________
#21. The percentage of rare gases in the air is______
#22. The occupation of Nitrogen in air is __________
#23. The growing of crops and the keeping of animal is commonly known as________________
#24. The chemicals we use in agriculture are called _______________________
#25. _____________ is a moving air
#26. Which from the list is not the source of carbon monoxide ?
#27. The tree types of sound are the following except
#28. An electronic machine used to input data and process them by after provide output result as information is know as_________
