Assertion: sea's water | /r/HasProperty | brought to the world's oceans
Facets:
value: thanks to icy comets
type: CAUSE
value: according to this theory
type: OTHER
Source sentences:
text: According to this theory, water was brought to the world's oceans thanks to icy comets, trans-Neptunian objects or water-rich meteoroids (protoplanets) from the outer reaches of the main asteroid belt colliding with the Earth.