Primaruyand secondary waves are called body waves which affect the body of the rock we live on.
Love waves are called surface waves because it only affects the surface.
I know the main one is British imperialism
The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
<span>The reason that people usually will be bothered by the absence of conventions of talk is that in our communication lies cultural similarities and differences. When we follow conventions of talk, we are following our cultural norms and this provides a level of comfort for those involved. When these are not followed, there is an uneasiness that comes with the unfamiliarity, and necessary assumptions about the meaning of the communication can not be made.</span>
