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ARC-Challenge / Mercury_7103600 / A student investigates the effects of fertilizer on corn plants by performing…

Problem

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question

A student investigates the effects of fertilizer on corn plants by performing the following steps.1. Plant groups of corn plants in the same type and amount of soil in full sunlight.2. Add the same amount of different brands of fertilizer to each group.3. Water the plants for 5 minutes each day.4. Measure the heights of the plants each day. What is the independent variable in this investigation?

choices

type of plant
height of plant
amount of fertilizer
type of fertilizer

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Source and history

upstream_id / Original problem ID: Mercury_7103600
task_id: 844e19fe-f9da-5333-8290-bb7599090acf
task_key: ARC~2dChallenge--test--Mercury~5f7103600
task_revision_id: 2
config / split: ARC-Challenge / test

Official source

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