Pollution & Enrichment...

[doceave]

Hi there guys. I have made two chemistry questions which will be used as part of a "treasure hunt" event, and would greatly appreciate it is the members of this forum would attempt to answer the questions such that I can be sure that my answers to my own question are in fact correct!

[grgrsanjay]

Hi there guys. I have made two chemistry questions which will be used as part of a "treasure hunt" event, and would greatly appreciate it is the members of this forum would attempt to answer the questions such that I can be sure that my answers to my own question are in fact correct!



so when is the event