সঠিক উত্তর হচ্ছে: Both B and C
ব্যাখ্যা:
Sedimentary rocks are formed by the process of weathering and deposition. These rocks lay on a surface of clay that is also a product of weathering rock. Sedimentary rocks are formed from the breaking apart of other rocks (igneous, metamorphic, or sedimentary rocks) and the cementation, compaction and recrystallization of these broken pieces of rock.