what do we call the thin, middle layer of the suns atmosphere?\nconvection zone\nchromosphere\ncore\nphotosph…

Brief Explanations:

The sun's atmosphere has three main layers. The photosphere is the lowest layer, the chromosphere is the thin middle - layer, and the corona is the outermost layer. The core is the innermost part of the sun, not part of the atmosphere. The convection zone is a layer in the sun's interior, not in the atmosphere.

Answer:

B. chromosphere