The process of removing worn and torn notes and bringing new ones in the system is called:
Cleaning
Bleaching
Sanitation
Etiolation
By the process of sanitation, worn and torn notes are replaced by bringing new ones into the system.
The process by which old and worn out notes are replaced by new ones in the economy is called
Fill in the blanks:
(a) Cleaning of water is a process of removing _______.
(b) Wastewater released by houses is called ________.
(c) Dried _______ is used as manure.
(d) Drains get blocked by ________ and ________.