They are brought from colder regions e.g. the North and South poles where ice caps are melting to give cold water. Currents are due to the effect of wind on the water.
Th answer you are looking for is physical weathering
A tornado<span> begins in the organization </span>stage<span>, when it forms through a series of updrafts among cold and warm air systems. When the swirling air touches the ground, it is officially a </span>tornado<span>. In the mature </span>stage<span>, a </span>tornado<span> reaches its full development in terms of base size and wind speed.</span>
1) Japanese and Korean languages share considerable similarity in typological features of their syntax and morphology while having a small number of lexical resemblances and different native scripts, although a common denominator is the presence of Chinese characters
2) The military agreement between South Korea and Japan is a military intelligence-sharing pact. ... The reason why the governments of South Korea and Japan wanted to sign it was both South Korea and Japan are U.S. allies and have their own military alliances with the United States.
3)With tensions running high, Japan and South Korea should be reminded about their convergence of interests and potential ways that they could—and should—cooperate to confront their present and future challenges. This piece by Jung Pak and Ethan Jewell originally appeared in The National Interest.
