os. Oświecenia 3/27, 31-635 Kraków
 

The world without oxygen

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1.Without oxygen we would get sunburnt

2.The sky is bright because particles bounce light

3.The metals would bond together

4.The earth would drie out and crumble

5.The air pressure in our inner ear would be too great

6.The oxygen binds the concrete

7.The water without oxygen would evaporate

8.If the amount of oxygen doubled, the cars would use more fuel

9.People would feel better if the amount of oxygen doubled