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daria_a daria_a
wrote...
Posts: 5
Rep: 1 0
11 years ago
i have a science product and i need to test the effect of pesticides on plant growth but i cant do my  project with anything involving bacteria or old does anyone know how i should test this and how i should collect data i really need help!
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asoneheroasonehero
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Posts: 13
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11 years ago
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