3本のエピソード
Science through my lenses Priyanka Srivastava
-
- 教育
Science lessons in easy way
-
-
What is Friction
Why things moving on there own stop. Why tyres, shoes etc face wear and tear.
-
3本のエピソード
Science lessons in easy way
What is Friction
Why things moving on there own stop. Why tyres, shoes etc face wear and tear.