All the options above can result from economic specialization. The correct option is the last one.
I do agree with you, and you bring up very valid points. If you'd like, add something more about the corrupted businessed
Answer:
The correct answer is option D
d) Children have an immature immune response.
Explanation:
It is true that Children have an immature immune response which develops throughout life on continuous exposure to germs and diseases.
To hear heart rate............