I’m assuming you’re asking about the moon, if correct, here is the answer: In bright half , the bright part of the moon increases whereas In dark half , the dark part of moon increases. Bright half starts from a new moon day and ends on a full moon day whereas dark half starts from a full moon day and ends on a new moon day.
The Amu Darya and the Syr Darya are among the significant rivers in the Central Asia wherein it has been a major source of economic needs in the region during the ancient times. However, as of recent date, the rivers were slowly on the brink of destruction due to the ongoing development of structures and increasing population surrounding these rivers causing huge amounts of pollution of many forms.
It can cause earthquakes and volcanoes depending on the type of plate movement
The landform that is much of northern and eastern Europe would be plains.