Which Among The Following Develop In The Upper Portion Of The Winogradsky Column?

Which Among The Following Develop In The Upper Portion Of The Winogradsky Column? Which among the following develop in the upper portion of the Winogradsky column? Explanation: The aerobic sulfur-metabolizing bacteria, Thiobacillus sp.., develop in the upper portion of the column and oxidize reduced sulfur compounds. What grows in Winogradsky column? If you are curious,