Across
- 2. unpleasant sounds
- 3. Fourth step in agricultural practices
- 5. sound is produced by ___________
- 7. an example for fertilizers
- 11. providing proper food, shelter and care to animals on a large scale
- 13. Medicines that kill or stop the growth of microorganisms
- 14. Muscular force is an example of _______ force
- 16. Foot and Mouth disease is a _____
- 17. Lactobacillus helps in the formation of ____
- 18. __________ gives off heat, light and sound
- 19. Dysentry is caused by a _________
- 20. Cotton is a _______ crop
- 21. Combustible substances are also called ____
Down
- 1. __________ opposes the relative motion between two surfaces in contact
- 4. sound cannot travel in ________
- 6. force has ____________ as well as direction (pg:142 3rd point)
- 8. liquids exert pressure on the _____ of the container
- 9. incomplete combustion of fuels gives __________ gas
- 10. _____crops are grown in winter season
- 12. Robert Koch discovered ________
- 15. Big clumps of soil that need to be broken
- 18. who discovered the vaccine for smallpox in 1798?