Answers

2016-07-11T19:20:39+08:00
Pag nagreleased ang plants during Photosynthesis, obviously ang nirerelease nya is Oxygen. Tama? So obviously kaya tayo nakakahinga. And so is the animal.
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2016-07-11T19:24:49+08:00
In the process of photosynthesis the plant can released oxygen .. oxygen is one of our needs in order to live in the earth.. so if there's not enough oxygen in the earth human and animals will die  
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