As of January 27, 2008, there are 117 elements, and all of which can be found on the Periodic Table of Elements. See the link below for the Periodic Table of elements.
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Out of the 112 elements known, 90 are found in nature and the rest (22 are man made).
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Manure is kind of like natural fertilizer. It's animal excrement. Fertilizer is man made and is not excrement based.Manure is a type of fertilizer, however most fertilizers that we know today are man-made, put into a far more concentrated solid "mass," if you will, of usually only one or two elements that come out as pellets, unlike manure, which comes with many elements all rolled into one.
The 26 transuranic elements (elements with atomic numbers higher than 92) are man-made. Some lists also count technetium (element 43) as man-made as well. --------------- Now (January 2013) 97 chemical elements are considered as natural and 21 as man made.
I dont know man!
Many people were involved in the discovery of the elements. Certain elements have been known since ancient times and man will never know who truly discovered those. There is more information at the related link.
Yes but many of them are harmful to both man and plants...
I don't know; I never met him.
energy of fuel cell
well buddy there are only 92 elements in the periodic table occurring naturally on earth.. the rest are all man made...
i dont know, I'm not the smartest person in man kind. try asking someoone else. sorry!