I would choose the mountain ecosystem.
The mountain ecosystem contains a complex living organisms.
Mountain lands support a diverse array of habitats with large range of plants
and animals. It is very crucial for biological diversity and is very wonderful
to see. The climate is mostly cool which is fitting for relaxation.
It doesn't show the choices but, Biostimulation<span> involves the modification of the environment to stimulate existing bacteria capable of bioremediation. </span>