In case of an automobile battery, following are the reasons which will cause a defect of
1. Very high charging rate
2. High specific gravity of electrolyte
3. Freezing of electrolyte
4. Improper level of electrolyte
5. Mechanical damage due to rough handling or not fixed in the vehicle

A. Loss of water

B. Deterioration of plates

C. Corrosion of terminals and clamps

D. Internal short circuiting

Answer: Option B