When ocean currents change, they cause changes in global weather patterns and can cause droughts, floods, and storms.
(ocean currents; change; ) (they; cause; changes in global weather patterns; T:When ocean currents change) (they; can cause; droughts, floods, and storms; T:When ocean currents change)
ocean currents they they
change cause can cause
changes in global weather patterns T:When ocean currents change
droughts, floods, and storms T:When ocean currents change