Photosynthesis occurs in plant cells, but does not occur in animal cells.
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries
North Atlantic Deep Water (NADW) is a deep water mass formed in theNorth Atlantic Ocean. Thermohaline circulation (properly described as meridional overturning circulation) of the world's oceans involves the flow of warm surface waters from the southern hemisphere into the North Atlantic.