PDF chapter test TRY NOW

Give any two ways in which biodegradable substances would affect the environment.
 
a. Biodegradable wastes can be naturally broken down, decomposed and disposed of by ________.
 
b. Common saprophytes include microscopic organisms or microbes, mainly ______________.
 
c. The microorganisms secrete _________ that solubilize or degrades the waste to simpler substances.