As air enters the lungs, which is the correct sequence of structures through which it passes? select one: a. alveoli, trachea, bronchi, bronchioles. b. trachea, bronchioles, bronchi, alveoli. c. bronchi, trachea, bronchioles, alveoli. d. trachea, bronchi, bronchioles, alveoli.

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

"d.) carbon dioxide and hydrogen sulfide"