Question

D. Answer the following questions in brief
1. On what factors does the height of a wave depend?
2. Define an ocean current,
3. How are tides caused?
Name the important components of the water cycle,
5 Name three valuable resources which are found in abundance in the ocean.

Short answer​

Answer 1

Ans 1) The size of a wave depends on three factors: the distance over which the wind blows across open water (the fetch), the strength of the wind, and the duration that the wind blows.

Ans 2) DescriptionAn ocean current is a continuous, directed movement of sea water generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences


Ans 3) Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth (Sumich, J.L., 1996).


Ans 4) Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.


Ans 5) Three valuable resources which are found in abundance in ocean are gold, copper and Platinum.



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