The illustrations help because it lets you see what the author is talking about and how the characters look lole
It helps them determine whether an assertion made by one source is likely to be true.
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Well, although the most prevalent example right now is of course the coronavirus pandemic, events like this have happened all throughout history. Think of the Black Death: it swept through Europe, killing tens of thousands and pretty much ending the system of feudalism. Though in modern times these pandemics have less potential to upend systems, they remain game changers. The H1N1 epidemic - the Spanish flu - sent shockwaves throughout the globe because of its scope and lethality.
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Perubahan keadaan jirim juga perubahan fizikal. ... cair dan berubah bentuk daripada pepejal kepada cecair, air tersebut masih lagi mempunyai sifat air.