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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_________

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