The answer would be sound waves.
Hope this helps!
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<span>The Spanish resulted to countless inter-state wars, revolts
and coup d'états, which never allowed
the unity of Latin America. This was highlighted by the fact that Latin
America is a region with various and very diverse cultures that do not have a
sense of unity, and wouldn't even want to identify themselves with one
another.</span></span>
Dukkha is the central concepts of Buddhism and it is also one of the four noble truths
Hope this helped! :) <span />
