Which sentence is punctuated correctly?
A.
Lava that flows out of volcanoes. It comes from deep within Earth’s hot center.
B.
The lava that flows out of volcanoes, comes from deep within Earth’s hot center.
C.
The lava that flows out of volcanoes comes from deep within Earth’s hot center.
D.
Lava flows out of volcanoes it comes from deep within Earth’s hot center.
C.
The lava that flows out of volcanoes comes from deep within Earth’s hot center.