The coriolis effect coupled with the frictional coupling of wind and water leads to the moving of surface water at 90° towards the right ward direction of the wind in the Northern hemisphere and to the left ward direction of the wind in the southern hemisphere.
Ekman transport helps surface water move away from the costal area.
Equatorial Upwelling occurs when surface water move farther away from the equator and becomes replaced by the Upwelling water.
A physical barrier is any barrier to communication that is caused by a natural and/or environmental condition and affects how the communication when sending a message to a receiver. In this case, the noise from the people talking behind Raul acts as a environmental condition and is affected the way in which information from the speaker gets to Raul.
