C : Thé strengths, weaknesses, and motivations of the characters
Repetition usually tells us that the someone wants a large emphasis on this word: that it has a significant meaning to them, and/or possibly the whole tale itself.
d. ecosystems experience change through human activity and natural events bb ♡
Answer:
Sure
Current day engineers and now very educated and advanced. But technology advances everyday as well so they have to keep up. There are new machines in their work that they have to use. So they have to learn to generate the machines often.