Because enormous glacier masses broke off from the North American ice sheet, the North Atlantic picked up large amounts of melted snow and ice.
(enormous glacier masses; broke off; from the North American ice sheet) (the North Atlantic; picked up; large amounts of melted snow and ice; T:Because enormous glacier masses broke off from the North American ice sheet)
enormous glacier masses the North Atlantic
broke off picked up
from the North American ice sheet
large amounts of melted snow and ice T:Because enormous glacier masses broke off from the North American ice sheet