Answer:
C. an interactive presentation
Explanation:
Since his audience is younger with a shorter attention span, an interactive presentation would be best suited for this environment.
The verb is "trudged".
It's the past simple form of the verb "to trudge" which is a type of a walk, usually slow and heavy as if you have weights on yourself.
Answer:
During the Industrial Revolution, new technologies were being made to improve life. But now, technologies are being improved instead.
We still use some of the same inventions made during the Industrial Revolution now.
Explanation: