Why is river water less clear at the mouth than at the source? a. because the mouth is warmer b. because the source is colder c. because the mouth has debris d. because the source is warmer

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.