I would add:
In order to do this, I will first get people to put trees into the deserts. Once the deserts are fully planted with trees, I will ask construction workers to build homes. Families can move here and request to open shops if they wish.
Hope this helps!
Mass- triple beam scale
Volume- graduated cylinder
Density- find the mass and the volume of the object. Divide the mass by the volume.
Hope this helps!