Answer:
1761: Lung cancer identified as a distinct disease.
Explanation:
The answer is simple currently I am in 9th and scored more than 90 percent by following methods:
1) sleep early and rise early ( it really helps)
2) Eat healthy food ( It keeps out brain active)
3) DO NOT PROCRASTINATE
4)Study on time and take break after every 1 hour
5) Do exercise it improves blood circulation (Helps brain)
6)Dont eat sweet and oily food
Answer:
go to bed at the same time, close the curtains, exercise everyday, do something relaxing before bed
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