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Friday, May 11, 2012

this week in science #13

so if we added 5 more spiders to the tank it would be good for the plant because its get a lot of carbon dioxide from all the spider cause a plant use carbon dioxide to live we use oxygen to live so we exchange we give them Co2 and they give us o2 as you can see in the picture that's how they processes of the pant is first the sun gives it energy and the water and the our carbon dioxide and the glucose helps it make oxygen and then we breathe it in and turn it in to oxygen

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