You land your inflatable boat on a sandbar at high tide in Southeast Alaska, which has a large semi-diurnal tide. You intend to be away from the boat for 12 hours, but come back early after only 8 hours
Your boat is, unfortunately, 400m from shore. How long will you have to wait to be able to use your boat (assuming you can't carry it)?
A) 12 hours and 25 minutes B) 4 hours and 25 minutes
C) 6 hours and 12 minutes D) 6 hours
B
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Which of the following was not an early trading post of the British East India Company?
A. Mumbai B. Chennai C. Delhi D. Kolkata
What happens when the waters of a coral reef exceednormal temperatures for too long?
a. Coral polyps overheat and die.
b. Corals eject their zooxanthellae. c. Corals break down their shells. d. Corals increase their zooxanthellae. e. Corals poison their zooxanthellae.
Tides can have a wavelength equal to half of the Earth's circumference
Indicate whether the statement is true or false
The Moon completes one revolution around Earth every _____
a. 29.5 seconds b. 29.5 minutes c. 29.5 hours d. 29.5 days e. 29.5 days