Energy

This day we make a presentation in groups about our project.
Click this to saw our presentation:
            ⬇️

<iframe src="https://docs.google.com/presentation/d/e/2PACX-1vT0XlnEUGa1xBWns2SQwFMY0iCnvc1HwDVgq7oag9n9zS2pAAfRHbn0ZUSAeMxQXvTpJ1_E4N9YeaWy/embed?start=false&loop=false&delayms=3000" frameborder="0" width="480" height="299" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>