The correct order of basicity for the following molecules is: 
The descending order of basicity of following amines is :
Choose the correct answer from the options given below :
Which of the following amine(s) show(s) positive carbamylamine test? 
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