Answer:
Embedding the environment in all levels of decision-making and action.
Conceptualizing cities and communities, economic and political life as a subset of the environment.
Emphasizing the connection of people to the ecosystems in which they live.
Gneiss. It is a high grade metamorphic rock, having been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock.
The Khmer civilization was mainly developed by Indian cultural importance. Buddhism was flourished side by side with the offering prayer of Shiva and Hindu Gods, both the religions combined with the worship or devotion of the idolized king. Many Indian scholars, artists, and religious teachers were attracted to the Khmer court. Small temples set on stepped pyramids next appeared during the Khmer period. The Khmers opposed and then fought returned wars against the Annamese.