Which of the following is required for composting?
A)addition of non-biodegradable materials B)addition of nitrogen and phosphorus sources C)periodic turning or raking of the compost pile D)addition of thermophilic microbes E)constant anaerobic conditions
A)number of bacteria present in a water sample. B)amount of oxygen present in a water sample. C)amount of organic matter present in a water sample. D)amount of undissolved solid matter present in a water sample. E)amount of nitrogen in a water sample.