Answer:
The second is that laughter prepares us for tough conditions. And it does always ensure good things for us, and there are many real advantages of the laughter that we can trace out. And all those can be parsed from our real life. We just need to think of a sad situation and try to realize how laughter helps us get rid of that sad situation. And that is what is the central idea of the second section.
Explanation:
Please check the answer section.
Grace Murray Hopper invented it
I would say it is considered as science and a bit of maths as its the 'study of abstract machines and automata'
Validation: Understanding and showing acceptance for another person
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