Which of the following in a nonrenewable resource? a)hydropower b) biomass c)geothermal power d) coal

D. Coal is naturally made and cannot be renewed by humans.

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.