# Extra projects

- [X01 · Many water places](X01.html)

- [X02 · Two possible causes](X02.html)

- [X03 · Check the condensation claim](X03.html)

- [X04 · A branched trail](X04.html)

- [X05 · Teach the missing bit](X05.html)

- [X06 · A scale that cannot say that](X06.html)

- [X07 · A graph worth reading](X07.html)

- [X08 · Local-source swap](X08.html)

- [X09 · Useful version, fewer words](X09.html)

- [X10 · Future investigation plan](X10.html)