<span>D
Sedimentary rock can change into metamorphic rock.</span>
The correct answer is b: cattle on rangeland. A point source of pollution occurs from a single identifiable and usually spatially narrow source. These sources of pollution are usually relatively easily to quantify and manage. In contrast, a non-point source of pollution, such as cattle on rangeland or irrigated agriculture, is variable on both spatial and temporal scales. These sources of pollution are difficult to quantify and manage.
Answer:
It can be aerobically using oxygen or anaerobically without oxygen.
Explanation:
Both aerobically (using oxygen) or Anaerobically (without oxygen)
