February 21, 2017

Homework Help: Science

Posted by Mandy on Monday, April 20, 2009 at 4:38am.

What is one standardized variable for the following experiment?

Ten different African violet varieties were monitored to determine which varieties produced the most flowers. The plants were grown in windowsills throughout a house in self watering pots. The plants were watered with reverse osmosis water plus fertilizer.
The miniature varieties potted in 2 inch pots flowered more than the standard sized varieties plotted in 4 inch pots. Plants with blue flowers produced more flowers than plants with pink flowers.

a) variety of African violet
b) size of the pot
c) reverse osmosis water
d) location the plants were grown
e) color of flower

My guess is C because it's the factor that's kept the same in all of the treatments. Is this correct? If I'm wrong, could you please explain why?

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