Earth science answer all of the following questions. 10: what are the most important density currents in the world ocean? 11: why does the mediterranean sea become so salty that it forms its own density current into the atlantic ocean? 12: how does a particle of water in a deep-water wave move in comparison to the wave itself? 13: don't do this one. 14: you are sitting on a beach watching waves move toward shore under a wooden dock. you note that the time between the first and sixth wave crests (five wavelengths) to pass a dock post is one minute. what is the period of one of these waves stated in seconds. 15: what condition within the ocean allows the formation of internal waves? 16: why do wave crests bend to become more nearly parallel to the shore as the wave approaches land? 17: which kind of beach would likely be wider- a fine sand beach or a gravel beach? why? (hint: sketch the slope of each kind of beach and add the high- and low-water marks for the same heights of high and low tides.)

10) Ocean currents can be generated by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes. Currents are cohesive streams of seawater that circulate through the ocean.

11) because of the rapid evaporation by the hot sun so the salt is left behind

12) they follow a circular path as the wave passes by

14) 10 to 12 seconds

15) water with different densities

16) Waves that pass from deep water into shallower water slow down, causing shorter wavelengths and greater wave heights. Waves tend to approach a coastline at an angle, but become more parallel the closer they get to the beach. ... Longshore currents are shallow water currents that mostly move parallel to the shore.

17) a gravel beach would be wider because gravel is larger than fine sand

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explanation:

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: