1. Which of the following statements about the sun's structure is true?

A. The sun has a solid surface.
B. The sun has an interior and atmosphere.
C. The sun's interior is similar to Earth's; it has a core, mantle, and crust.
D. Tye sun's outermost layer is called the radiation zone.

2. Which of the following describes the correct order of layers in the sun's atmosphere (moving outward from the sun).
A. Chromosphere, Photosphere, Corona
B. Hydrogen, helium, Corona
C. Photosphere, chromosphere, Corona
D. Photosphere, chromosphere, solar wind

3. Which of the following terms refers to areas of gas on the sun's surface that are cooler than the gases around them?
A. prominences
B. sunspots
C. cool spots
D. solarwinds

4. Which of the statement is most accurately compares the temperature of the core of the Sun to its surface?
A. The core is more than a thousand times hotter than the surface.
B. The surface is more than a thousand times hotter than the core.
C. The core is more than a million times hotter than the surface.
D. The surface is more than a million times hotter than the core.