Catalina 34

General Activities => Main Message Board => Topic started by: Ken Juul on April 09, 2012, 04:44:39 AM

Poll
Question: Waht is?
Option 1: mean high water
Option 2: mean low water
Option 3: half-tide level
Option 4: mean sea level
Title: Quesion of the week - Tides 1
Post by: Ken Juul on April 09, 2012, 04:44:39 AM
The average height of the surface of the sea for all stages of the tide over a 19 year period is called:
Title: Re: Quesion of the week - Tides 1
Post by: Ken Juul on April 16, 2012, 04:59:34 AM
Mean sea level is the correct answer