hey there!! i have question related to edexcel as biology unit 3 practical january 2011 past paper. Can someone explain me the answer of question 1(a)(iii)? The one in which we have to explain the deficiency of magnesium and nitrate ions using the table given. PLEASE I NEED YOUR HELP....PLEASE DO REPLY I WOULD REALLY APPRECIATE YOUR HELPS
Thanks a bunch
It's not too late!