Answer:
pharynx as it has functions in both the respiratory system and the digestive system.
Explanation:
Answer: A) Hydrogen Bond
Explanation:
A hydrogen bond occurs when a hydrogen (H) is covalently bound to a more electronegative atom or group forms an electrostatic attraction to another electronegative atom bearing a lone pair of electrons. This is possible due to the polarity of the H-electronegative atom bonds.
The answer is 4 I’m pretty sure