How does sedimentary rock form? My sis needs help with this
A.Over millions of years, the sediment settles, compacts, and cements.
B.Sediment gets carried to the mouth of a river, settles, and quickly forms sediment.
C.Earthquakes and volcanoes form sediment instantly when they occur.
D.Over hundreds of years, the sediment settles, compacts, and cements.
