What is the meaning of heightened?

[Ronny]

Business English Lesson, Advanced Level

ESL/EFL Test #179 "Entrepreneurship", question 2

There is increasing research on the subject, more and more courses in entrepreneurship, and heightened ......... by the media.

(a) coverage
(b) distribution
(c) journalism
(d) publication

Business English Lesson, Advanced Level

ESL/EFL Test #179 "Entrepreneurship", answer 2

There is increasing research on the subject, more and more courses in entrepreneurship, and heightened coverage by the media.

Correct answer: (a) coverage
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what is the meaning of heightened?

Ronny

[Mister Micawber]

.
Increased; intensified.
.
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Native English teacher at Mister Micawber's