What are three inappropriate uses of social media?

Curology what technique are the advertising using?

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.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4