Question

the photosphere, chromosphere, and corona make up the ______ of the sun.
interior region
solar weather
exterior region
visible surface

Explanation:

The photosphere, chromosphere, and corona are the outer layers of the Sun. The interior region refers to the Sun's core and radiative/convective zones. Solar weather involves phenomena like sunspots or flares. The visible surface is only the photosphere. These three layers collectively form the Sun's exterior region.

Answer:

C. exterior region