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What is biodegradable waste?
 
a. Garbage that can decay or decompose by natural agents like water, oxygen, ultraviolet rays of sun, microorganisms are called .
 
b. Biodegradable wastes are also called as an .
 
c. When vegetable and fruit peels, dead leaves are thrown out, it is acted upon by .
 
d. Biodegradable wastes includes .
 
e. Oxygen, moisture, water, and heat facilitates the .
 
f. Decomposed substance mixes with the soil to provide various  to the soil.