they are absorbed by the roots
Trace Elements
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The trace elements in concrete are,CementFine aggregateCoarse aggregateWaterAdmixtures.
The Trace elements are related to Biochemistry, anyalitical chemistry, Geochemistry. Trace elements comes in all above chemistries. Go to Wikipedia.
No, trace elements are not necessarily radioactive. A link to a list of elements that have no natural radioactive isotopes is at a related question, below.
Tiny amounts of minerals are called 'trace' amounts.
Elements in the human body which are considered trace elements are:Lithium - LiStrontium - SrAluminium - AlSilicon - SiLead - PbVanadium - VBromine - BrArsenic - As
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Most elements on the Earth occur as oxides or silicates.
Mainly Hydrogen and Helium and other trace elements.
There is no evidence to say that trace elements are not needed by your central nervous system. Trace elements are very important for your survival. You may die in absence of the single trace element.
many people don't leave a trace behind. They are very hard to track.