Land value can mean very different thinks but it terms of this context they are talking about its worth. they are not gonna stack concrete building on a good piece of land that can be used for farming. Due to the fact that it is a urban area they make Ignore a golf course or some type of nature reserve so the land isn't harmed but instead put to good use.
The phases on the moon are angels that we see from the sun shining down on it. Every night it changes because of the Moon and Earth rotating around the sun.
The base level is the lower limit of the erosional process and the ultimate base level is the plains that result from the projection of sea level under the landmass. This process of erosion creates a peneplain.
The base level is dynamic and changes according to the following factors as sea-level changes, tectonic factors, river captures, and sedimentation.
Peneplinasare low featureless deposits that are created by the terminus of the dream where the sediments are merged with the sea.