Answer:
they all use scientific knowledge to solve a problem
Step-by-step explanation:
Engineers are professional who make use of the scientific technique or knowledge to provide a solution to the problems of the society.
They are well qualified to provide solutions or make some projects or products which makes life easier.
There are various engineers belonging to the various fields and sectors. They are the civil engineers who give expertise mainly in the construction sector making multi story buildings, bridges using their scientific knowledge, there are mechanical engineers who build various engines to make life easier using mathematical tools and scientific techniques, then there are electrical engineers who basically provide solutions to the electrical sectors, chemical engineers use their knowledge to help people and the society to build and design the fuels, foods, chemicals, pharmaceuticals,etc.