posted by Sherrie .
how weathering releases phospahte from rock?
i really don't know, any sites i could go on to to get the answer? no wikipedia, or hard ones. english aint my language so hard words i wont be able to understand.
Phosphates are chemical compounds containing the PO4(---) ion. Weathering can dissolve them from rock or release the compound as a solid product of disintegration of crumbling of the rock. This may ultimately contaminate water supplies and lead to algae blooms and eutrification of lakes.
running water, freezing and thawing etc. Look at this site maybe:
It is this process which provides the phospates required to grow plants.
Have you tried Wikipedia in your language?
i speak korean