Can you please post the link in the comment since I can’t copy the link from the picture
compressional/primary waves and shear/secondary waves
I would have to say temporal and social-psychological
<span>Türkçe konuşamıyorum.</span>
What is smallest possible integer <span>kk</span> such that <span><span>1575×k</span><span>1575×k</span></span> is a perfect square?
a) 7, b) 9, c) 15, d) 25, e) 63. The answer is 7.