8-10 years but one has lived to 20 years.
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.
Answer:
Ophthalmoscopy, also called funduscopy.
Answer:
Thd sequence of amino acids it has.