Answer:
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
Doing this with your job can be risky but doing it with smoking is always a good idea
In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
A king wears one on his head.
What has a ring but no fingers?
What is yellow, looks like the moon and has seeds?