To determine which of the given options is a contagious disease, we must understand the nature of each condition listed:
Based on the explanations, Influenza is the contagious disease among the given options. It is important to practice good hygiene and get vaccinated to prevent its spread.
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