To become part of the Constitution, an amendment must be ratified by either (as determined by Congress): 1  The legislatures of three-fourths (presently 38) of the states, within the stipulated time periodâif any;
In between the euphotic and the bathyal zone is the twilight zone, an area that still receives some sunlight, but not enough for plants to grow. The bathyal zone (aka midnight) is the middle zone that has no light. Many zooplankton and smaller fish live here.he euphotic zone is from the surface of the ocean down 200 meters. This zone is also sometimes called the sunlight zone because there is enough sunlight to have photosynthesis. This zone has the highest levels of sunlight, photosynthesis, and dissolved oxygen. Many large predatory fish live here.
Useful Daylight Zone-is the area of space that receives 30FC (typical ambient light level for offices) from daylight alone for at least 50% of annual work hours.Essentially, this defines the area that gets enough daylight to make use of switched daylight harvesting.aylight Autonomy describes the percentage of work hours during which all or part of a building's lightings needs can be met through daylighting alone. It maximizes the amount of useful daylight, thereby minimizing the need for supplemental electric light.