what is an embryo and what is a pregnancy what is a fermentation
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embryo-an unborn or unhatched offspring in the process of development, in particular a human offspring during the period from approximately the second to the eighth week after fertilization (after which it is usually termed a fetus). pregnancy-the condition or period of being pregnant. fermentation-the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
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fermentation is the process of conversion of sugar in the absence of oxygen into alcohol
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