现已上线！2025 年 Telegram 研究 — 年度关键洞察 
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Mnemonic for _decreasing order of water_ on earth's surface,( Pre. Yr Prelim Ques.)
Mnemonic: *OILS ARE Bio*
0: Ocean
I: Ice caps (glaciers)
L: Lakes
S: Soil moisture
A: Atmosphere
R: Rivers
Bio: Biosphere
Terms which are mentioned in news and can be asked in #Prelims2023:
#Gaslighting
#Moonlighting
#Greenwashing(already asked in 2022)
#Sportswashing,etc
I'll keep adding in this list.
Thank you ☺️
How to be a citizen in India? Mnemonic: BRAND
B: Birth
R: Registration
A: Acquire
N: Naturalization
D: Descent
How to lose citizenship of India? Mnemonic: TDR
T: Termination
D: Deprivation
R: Renunciation
