In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.
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Time period of Annual Plans was ___________.
Deficiency of which vitamin causes night blindness?
The human spinal column is made up of ___ bones.
Human blood platelets releases ___ which helps in clotting of blood.
What is the process of slow cooling of hot glass called?
Which of the following metals reacts vigorously with cold water?
Which term describes an enzyme?