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what is the source of light that let him see the book?​

Sagot :

Answer:

Students’ everyday experiences are in a world surrounded by natural and artificial light sources, e.g. communication and entertainment technology, living and retail spaces and city streetscapes. For a typical Australian household in 2008, nearly 30% of the household electrical energy used is for household lighting. It is rare for students to experience the total and complete darkness achievable in a photographic dark room or a deep cave.

The everyday world of city students is now so perpetually illuminated that for them the presence of light is often taken for granted. The complete absence of light is an extraordinarily unusual experience. For most students ‘darkness’ means experiencing low levels of light rather than no light at all and so they believe their eyes will always adjust, so that even in total darkness they expect to still eventually be able to see.

Answer:

yes beautiful each other