Irwin is a concrete thinker. he is mechanically oriented and interested in jobs that involve motor activity such as farming, carpentry, and auto mechanics. according to holland's theory, irwin is a(n) type.

Realistic Type

Explanation:

Realistic Type Work Environment

These are people who prefer to work with a realistic environment , they like to deal with practical and mechanical work because they are good at working with tools,mechanical and electric drawing and animals. They like putting their hands in anything that is practical work. They are mostly found in construction work more than they would be in social or artistic type of work.

Examples of realistic type and their typical occupations

Diesel mechanic,electrician ,farmer,Flight Engineer,police officer ,truck driver and many more practical hands on jobs

world bank is the correct answer.

fertile good for trade etc