1
a woman who is a police officer.
2
a person or a member of a group that works to put out fires.
3
a person who takes care of the animals in a zoo.
4
a person who does work without getting paid to do it,they want to help other people.
5
the head of the government in some countries.
6
a person who has scientific training and who designs and builds complicated products, machines, systems, or structures.
7
a person who studies or does research in the science of chemistry.
8
a person whose job is to teach students.
9
a person who is trained to give medical care and treatment to animals .
7
2
4
3
5
6
9
1
8