Whales have a thick layer of blubber (fat) under their skin which helps them to keep warm (as they spend a lot of their time in freezing water) and their blubber also keeps them going when food is scarce.
(Whales; have; a thick layer of blubber (fat) under their skin which helps them to keep warm) (their blubber; also keeps; them; T:when food is scarce) (a thick layer of blubber (fat) under their skin; helps; them to keep warm) Context(a thick layer of blubber ( fat ) under their skin helps,List([12, 71))):(them; to keep; warm) (food; is; scarce) (they; spend; a lot of their time; L:in freezing water) Context(they spend,List([94, 104))):(they; spend a lot of their time in freezing; water)
a thick layer of blubber ( fat ) under their skin helps,List([12, 71)) they spend,List([94, 104))
Whales their blubber a thick layer of blubber (fat) under their skin them food they they
have also keeps helps to keep is spend spend a lot of their time in freezing
a thick layer of blubber (fat) under their skin which helps them to keep warm
them T:when food is scarce
them to keep warm
warm
scarce
a lot of their time L:in freezing water
water