The primary difference between a tide and a current is that the term tide refers to the rise and fall of the water levels, caused by the gravitational pull of the moon and sun, whereas the current refers to...

Sea salt is obtained by evaporating sea water. Rock salt is obtained in the form of mineral known as halite. Sea salt is available in the form of fine grains or large crystals. On the other hand rock salt is a...

Meroplankton and Holoplankton are two different groups of Zooplankton. Meroplankton refer to those organisms which only spend a portion of their life cycle within the plankton form. On the other hand,...

Delta is a sedimentary deposit formed at mouth of some rivers. It is usually triangular in shape. On the other hand, an estuary is a semi-enclosed body of water where fresh water meets the ocean.