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