Question

question 12
1 pts
which of the following statements is not true regarding the sun?
it has weak hydrogen lines
it has strong lines of ionized iron
it has a spectral class of f2
it has a surface temperature of approximately 5800k

Explanation:

The Sun has a spectral class of G2, not F2. It has relatively strong hydrogen lines, and its surface temperature is about 5800K. It also has lines of ionized iron.

Answer:

It has a spectral class of F2