Question

There are two high tides and two low tides why

Answer 1

http://www.google.com/search?q=why+two+high+tides+and+two+low+tides&rlz=1C5CHFA_enUS705US707&oq=why+two+low+and+two&aqs=chrome.1.69i57j0.16904j0j7&sourceid=chrome&ie=UTF-8

Read lots and read carefully.