Yes at the shopping mall or basically any outlet
Sex differences in humans have been studied in a variety of fields. Sex determination occurs by the presence or absence of a Y in the 23rd pair of chromosomes in the human genome. Male have X Y chromosomes and Female have X X chromosomes
If you are referring to the book Percy Jackson and the Lightning Thief then The furies need to know that Percy didn't steal Hades' helm of darkness and they needed to witness it for themselves. I haven't read the book for a while though.
Red text is considered hard to read. Hope this helps!