Hormones are chemical substances that help to regulate processes in the body. Hormones are secreted by glands and travel to their target organs in the bloodstream. Hormones can be used to control human fertility.
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Generally, about half of the caught carbon is released in respiration. ... When it is dark, the only flow of CO2 comes from respiration.
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get wheat that has the desired content (in this case high fiber content)
breed them
amongst the offsprings/ wheat produced, select the ones with highest fiber content
breed them
repeat this process for many generations
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Radioactive dating of rocks
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