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