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Wikipedia is a free content, multilingual online encyclopedia written and maintained by a community of volunteer contributors through a model of open collaboration. It is the largest and most-read reference work in history, Wikipedia originally developed from another encyclopedia project called Nupedia. See also. Open online encyclopedia
There are roughly 400,000 known species of plants on planet Earth, of which the great majority, some 300,000 species, produce seeds. Green plants provide a substantial proportion of the world’s molecular oxygen, and are the basis of most of Earth’s ecosystems.
If your healthcare provider thinks that you have low or high testosterone, your total testosterone levels will be checked first. This looks at all 3 types of testosterone. The free testosterone can help give more information when total testosterone is low. Both men and women can have health problems because of low or high levels of testosterone.
REP Online offers free access, for a limited period, to articles that mark notable philosophical anniversaries, events and publications. To celebrate the 100th anniversary of the publication in English of Ludwig Wittgenstein’s Tractatus-Logico-Philosophicus we are temporarily offering the following eight articles for free:
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The normal range for free T 4 in adults is 0.8 to 1.8 nanograms per deciliter (ng/dL). A level of free T 4 that is higher than normal could mean you have an overactive thyroid. Conditions linked to hyperthyroidism include Graves disease, an autoimmune disorder. Abnormally low free T 4 levels may signal hypothyroidism. This means your thyroid is ...