A tree line
The boundary of an area is its perimeter.
Convergence Boundary.
divergent boundary
Convergence Boundary.
recessive plate boundary
divergent boundary
row boundary
Dusk
you tell me \
It is called a "convergent boundary".
A border
The upper boundary of the Earth that is saturated with water is called the water table. It represents the level below which the ground is completely saturated with water, and above which the soil and rock are not fully saturated. The water table can fluctuate based on factors like precipitation, evaporation, and groundwater extraction.