Answer:
C: A power point presentation
Explanation:
While a sense of humor is helpful in certain situations, in serious presentations, this is not you need. Images are helpful, but not as important as other factors. It is better to have specific points and ideas memorized rather then reading off a script. A powerpoint presentation makes it better to cover all topics and include important ideas in a useful way.
Please tell me if this is wrong :)
Answer:
The gravitational pull of the two items can be different
I think that's right I'm not fully sure..
