The weakness of these sediments controls the speed of the over laying ice. Melting at the base of the ice lubricates the bed and lowers the resistance of the bed.
(Melting at the base of the ice; lowers; the resistance of the bed) (Melting at the base of the ice; lubricates; the bed) Context(Melting at the base of the ice lubricates,List([75, 116))):(The weakness of these sediments; controls; the speed of the over laying ice)
Melting at the base of the ice lubricates,List([75, 116))
Melting at the base of the ice Melting at the base of the ice The weakness of these sediments
lowers lubricates controls
the resistance of the bed
the bed
the speed of the over laying ice