Many things: moss, animal and fish waste, and pollution.
what causes hands to look green
this is not a trick question it just needs thought a dark green leaf would have more chlorophyll because chlorophyll is the substance that causes the leaf to turn green
your knob will sometimes turn green in the dark due to the fact that you have probably been anus raped by a giant sea lion
The chemical that "glows" in the dark is green. When the toy is covered in the chemical it tends to turn a faint green color.
dark green
it would turn a dark color green
lack of nitrogen
If you are talking about runescape then no, water dragons don't turn green ever. :) :P yours sincerely Winner1
It isn't the Gluecose that make the leaves turn green , its the Chlorophyll.
Black and Green make a really dark Forest Green and then if you added white it would turn it back to a green
I think It would turn dark purple . Because well you can try it if you want to.
green when its on a tree and brown when it dies