Which best describes a semidiurnal tide a) two high tides and two low tides each day b) two high tides and two low tides each month c) two high tides and two low tides each season d) two high tides and two low tides each year

A) Two high tides and two low tides each day

Explanation:

The tide is phenomena of periodic up and fall of the sea water that is developed by the gravitational forces by the sun and the moon also by the rotation of the earth. Two high tides and low tides occurs frequently in most places of the ocean this phenomena is called as semidiurnal tide. The semidiurnal tides occur in the ocean at intervals of hours.      

chemical because it warmed up which involves temperature and it bubbled which includes changing

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i am going to guess that it is co2.