Biology, 25.06.2019 18:00, wyatt90

When testing fertilizer on a tomato farm, one patch of soil is given fertilizer and another patch (the same size) is not. which one is the experimental group? a. the amount of rain b. the amount of sunlight c. the fertilized soil d. the unfertilized soil

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When testing fertilizer on a tomato farm, one patch of soil is given fertilizer and another patch (t...