Answer:
Terrigenous sediments are the most abundant. The largest terrigenous deposits form near continental margins.
Step-by-step explanation:
Terrigenous sediments are the most abundant. As the name implies, terrigenous sediment originates on the continents or islands near them. They are carried to the ocean in rivers and streams, or by winds as blowing dust, and dominate the continental margins, abyssal plains, and polar ocean floors.