These molecules all have mass therefore, they all are affected by the gravity of the earth and are pulled down to the earth's surface.
(they; are pulled; down; to the earth's surface) (they; are affected; by the gravity of the earth) Context(they are affected,List([41, 62))):(These molecules; have; mass; L:therefore)
they are affected,List([41, 62))
they they These molecules
are pulled are affected have
down to the earth's surface
by the gravity of the earth
mass L:therefore