List-I | List-II | ||
| (A) | Clemenson reduction | (I) | ![]() |
| (B) | Kolbe's reaction | (II) | ![]() |
| (C) | Etard reaction | (III) | ![]() |
| (D) | Wolf Kishner reduction | (IV) | ![]() |


Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world