Why are all the people on earth members of the same biological sprecies?

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

What are the five food groups recommended by the usdas my plate food guidance system

Dark clothing enables sweat to be evaporated on the skin's surface very quickly. loose light tight