They lack roots and any sort of transportation system within their them, so they place themselves in moist environments close to water. This way, they can absorb water quickly and easily.
It can become natural, slightly acidic or slightly basic it depends of how much of what you put in.
Dissecting microscopes see things that are 3D as 3D while compound microscopes will compact 3D objects to 2D, but compound microscopes have greater magnification and lower resolution.