Some of the larger floes are flat while others have tall ridges that form when two floes are compressed together under the pressure caused by winds and currents, much like mountain formation.
(Some of the larger floes; are; flat; T:while others have tall ridges) (others; have; tall ridges that form when two floes are compressed together under the pressure) (two floes; are compressed together; L:under the pressure) (the pressure; caused; by winds and currents)
Some of the larger floes others two floes the pressure
are have are compressed together caused
flat T:while others have tall ridges
tall ridges that form when two floes are compressed together under the pressure
L:under the pressure
by winds and currents