Match each broad topic to a more specific question that is appropriate for research. education
How will people commute to work in major
cities in the future?
environment
How will job training for careers in
technology change in the future?
economy
What are new methods of teaching and
learning foreign languages?
transportation
How can we promote state-of-the-art
renewable energy sources?

Answer/Explanation:

Examining the given questions only, we can make a good guess as to which broad topic each question falls under.

Let's match each broad topic to the most related question that is germane to it:

==>Education

Specific question: "What are new methods of teaching and

learning foreign languages?"

Rationale: words like teaching methods, learning, they all relate to education.

==>Environment:

Specific Question: "How can we promote state-of-the-art

renewable energy sources?"

Rationale: keywords like "renewable energy" is very much relevant when topics that relates to environment is discussed.

==>Economy:

Specific Question: "How will job training for careers in technology change in the future?"

Rationale: Technology change, which is can be achieved through job training for careers will most definitely affect the economy.

==>Transportation:

Specific Question: "How will people commute to work in major cities in the world"

Rationale: this definitely relates to transportation mostly.

the answer is something i don't know