Across
- 3. Zho and Al2O3 are _________ oxides.
- 5. ______ gas is being added at the atmosphere by cattle sheds.
- 6. In Electrolysis of water two gases are released but the quality of one gas is double than the other, what is that Gas?
- 7. Ozone Layer protects the earth from ________ Radiation.
- 8. Carbondioxide is a _________ gas.
- 10. Zn and Lead are more reactive elements than _____.
Down
- 1. Ozone is a ______ Molecule.
- 2. ______is better than recycle.
- 4. ________ are responsible for true depletion of Ozone.
- 9. A self-Supporting Unit of living organisms and their non-living environment is called _______.