Astronomers have theorized that the Big Bang governs the behavior of interstellar dust, particles that comprise the atoms and molecules created in the progenitive explosion and persisting in even the emptiest regions of space.
a persisting
b persists
c persisted
d they persist
e are persisting
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a persisting
b persists
c persisted
d they persist
e are persisting
[Reveal] Spoiler:
What's wrong with E?