Answer:
(3) Louis eats a quarter pound burger from a fast food restaurants.
(2) Nicole drinks a 12-ounce Diet Coke from a convenience store.
(1) Tracy eats a 3-ounce snack size bag of cheesy corn chips.
Explanation:
I'm actually not sure since people in the comments are talking about bfs and gfs. Jesus Christ -_-
These are my best guesses. Good luck, if I'm wrong, correct me.
#happycheating <33
The answer is A - vitamin deficiency
Answer: The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.