Answer:
(A) ethnicity and appearance
Explanation:
I chose b my Explanation for b would be that back then leaving something like a like or anything that has to do with social media seems ridiculous if it was to be invented back then like the idea of the modern world was something that if you look back and you see what we have now back then we just be so weird and it’s just showing like how it would technically be back then. Hopefully this was what you where looking for !
Blue light has a higher frequency and therefore a higher energy than red light and can therefore eject electrons from a metal that red light cannot.
Status symbols are material signs that inform others of a person's specific status