23. Vaping products contain diacetyl. Diacetyl is a. a highly poisonous compound used in plastics
b. the most carcinogenic substance that we know of...
c. a flavoring chemical linked to respiratory disease.
d. used to preserve laboratory animals and deceased humans

The embryonic stage is the most critical stage of fetal development. true false

What should be changed to make the following sentence true? "the stress model suggests that people with a predisposition for a disorder are more likely to develop the disorder when faced with stress."

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.