By randomizing the experimental treatment, the researcher could more confidently conclude that it really was Fertilizer 1, and not some confounding variable like soil quality, that caused the crops to grow taller
India is also the second-largest exporter of tobacco, behind Brazil
it can fetch up to 20 times that amount, even when sold at cut rates
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UNIQUE DESIGN -The Waterproof mixed berry wreath includes large pine cones, mixed types of tree needles and red berries all on a natural twig base, with lifelike snow covered
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