1.2K views · 25 reactions | This procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law. The process of testing: experimentation. Don't forget to support us follow and subscribe to our channel for more latest updates, you can visit us on: For Full HD Video Click the link below  Instagram: @amazingfacts051779 YouTube: https://youtu.be/VN6Nn7WqScQ | Science and Technology | Facebook