Sand forms when rocks break down from weathering and eroding over thousands and even millions of years.
And anyways everything decays it might take 1 to millions of years but everything decays.
Answer:
It marked the beginning of the Islamic era.
Explanation:
Hijrah or also known as Hejira is an important event in the Muslim religion. It marks the event of Prophet Muhammad's pilgrimage from the holy city of Mecca to Medina after he learned of some plots regarding his assassination. In order to save himself from being attacked, he secretly left Mecca and journeyed till Medina, which was at that time called Yathrib. This event of 622 CE signifies the start of the Muslim or Islamic era.
Answer:
B
Explanation:
The amount customers are willing to buy is demand
