Question

Which best corrects the run-on sentence?

Auroras illuminate the northern horizon they have a greenish glow or sometimes a faint red one.

A.
Auroras illuminate. The northern horizon in a greenish glow and sometimes a faint red one.

B.
Auroras illuminate the northern horizon. They have a greenish glow or sometimes a faint red one.

C.
Auroras illuminate the northern horizon, a greenish glow or sometimes a faint red one.

D.
Auroras illuminate the northern horizon. With a greenish glow or sometimes a faint red one.

Answer 1

@adajiamcneal

Answer 2

B