The important thing to identify the degrees of lightness to darkness in each level.
Hope this helps you.
Non-living parts?
A would be the answer then
sunlight certainly isn’t alive
Answer: Elevated ridges of tissue, called gyri (singular: gyrus), separated by shallow groves called sulci (singular: sulcus) mark nearly the entire surface of the cerebral hemispheres.
Atoms, Molecules, Cells, Tissues, Organs, Organ system are all building blocks to growing an organism. Hope this helps. :)
