Across
- 2. mirrors used in rearview mirrors of cars
- 3. a reflecting surface
- 5. they are neutral
- 7. SI unit of power
- 10. a complete contraction and relaxation of the heart.
- 13. process of nutrition in plants
- 14. green color creates on metal due to corruption
- 15. effect of the presence of hydrogen in the reaction
Down
- 1. tissue does not have a nucleus in sieve cells
- 4. energy is released from the food absorbed by the body
- 6. it travels in a straight line
- 8. a colourless blood component containing 90%of water
- 9. turn red litmus blue
- 11. it rusts in the presence of oxygen and moisture
- 12. passing of light from one medium to another
