Areas in the middle of the ocean, for example in the center of gyres, is likely to hold large populations of fish that have not yet been discovered.

The Gulf stream that is a part of the North Atlantic gyre is deeper, narrower, and faster-moving than the portion of the gyre near Europe.  The reason for this difference is:

The large, rotating surface currents that involve entire ocean basins are called:

Which would most likely result in extreme tide ranges in enclosed bays?

Write a logical answer to the question in a complete sentence      

In the southern hemisphere, amphidromic systems rotate clockwise.

Which of the following would increase the salinity of sea water?

Benthic organisms are any animals that:

The period during which a woman experiences hormonal changes, such as lower estrogen, and cycle changes like infrequent and/or irregular periods is called

Considering the lifespan of the average sperm and the period during which the egg is capable of being fertilized, the optimal time for sexual intercourse in order for someone to conceive would be right at ovulation or