The levels

Hi!               
   Here you find Scientific and educational Videos almost on every topic.
Subscribers Milestone:
10 Jan 2020 - 1000
18 Jun 2021 - 100,000 
12 May 2022 - 200,000 
30 june 2023 - 300,000  
20 Feb 2024  - 400,000   
25 March       - 500,000 
         ?             -600000   
Studybaba192@gmail.com
 Be happy & live Happy