by Thomas Gonzalez https://padlet.com/3063711/ev9y0gokzm6j Made with joy en-us 2017-12-06 21:33:25 UTC 2017-12-06 21:35:36 UTC hello@padlet.com Matter 3063711 https://padlet.com/3063711/ev9y0gokzm6j/wish/213925289 matter is made up by atoms.


]]> 2017-12-06 21:34:41 UTC https://padlet.com/3063711/ev9y0gokzm6j/wish/213925289