Many people add fertilizers to house or garden plants. using scientific methodology, make a hypothesis about whether you think these fertilizers really plants grow. next, design an experiment to test your hypothesis. include in your plan what variable you will test and what variables you will control.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

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c is the correct answer hope this !