Step 1: Start with the schedule.
Sentence (B) states, "Her flight was scheduled for the next morning." This sets the context and urgency.
Step 2: Reason for urgency.
Sentence (D) states, "She didn't want to miss it." This explains why she is in a hurry.
Step 3: Preparation.
Sentence (A) says, "She packed her bags quickly."
She acts quickly to get ready.
Step 4: Final step.
Sentence (C) says, "She set an early alarm before going to bed."
This shows her planning to wake up on time.
Summary:
The order (B) → (D) → (A) → (C) logically presents the timeline: the flight schedule, the motivation not to miss it, hurried packing, and setting the alarm.
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