Red tide is caused by

These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses : Assertion : Red tide is casued by Gonyaulax . Reason : Gonyaulax is marine dinoflagellate . The accumulate in sea to provide colour and cause the red tide .

Red tide is caused due to

Red tide is caused due to

Red tide is caused due to

The rise of sea-water during high tide is caused by the gravitational pull of the :

Why are red tides caused and why are they harmful ?

Why are red tides caused and why are they harmful ?

Red tide is mostly caused by