The answer is the past. It is because in order to learn, you need to realize the things you have done in the past and to make sure that the mistakes you had gone through in the past, will never repeat on the future as you are able to realize your faults and failures and it is a way of having guidance to keep in mind, so that it will not happen again.
Answer:
Neurons store neurotransmitter molecules in vesicles located within synaptic terminals.
Answer:
An area of 10,400 sq km around the Taj Mahal is defined to protect the monument from pollution. The Supreme Court of India in December, 1996, delivered a ruling banning use of coal/coke in industries located in the Taj Trapezium Zone (TTZ) and switching over to natural gas or relocating them outside the TTZ.
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