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