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Biology, 20.09.2020 16:01 kailahgranger

An experiment was designed to determine the effect of nitrates on plant growth. Two groups of plants were grown under identical conditions, except one group was watered with a nitrate solution and the other group received water without nitrates. In this investigation, what would be the independent variable? Group of answer choices The different types of plants Type of soil The amount of light The condition of the water

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