Answer:
NKVD
Explanation:
The NKVD is known for its role in political repression and for carrying out the Great Purge under Joseph Stalin. It was led by Genrikh Yagoda, Nikolai Yezhov and Lavrentiy Beria.
This is the time it takes for an isotope to loose half of its current radioactivity.
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Answer:
Do you want me to explain what inductive and deductive is in simpler terms for you?