An ocean, a forest and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems only contain: a
animals
b
living and nonliving things
c
rocks and water
d
populations of plants and animals

b living and non living things. If we look at the question the ocean is non living but the forest and grassy meadow are examples of living things

some of the qualities most frequently associated with the baroque are grandeur, sensuous richness, drama, vitality, movement, tension, emotional exuberance, and a tendency to blur distinctions between the various arts.

clouds form

solid ice forms on leaves.

water droplets form on grass.