Answer:
1.) Because matter is made up of molecules, the behavior of matter is dictated by the behaviors of the molecules. If the molecules were different, matter would be different.
Example: water expands when it freezes
2.) Engage the audience — get them interested, give them a reason to listen. How?
Describe a scene or a character.
Tell a story.
Share a personal experience.
Relate to a recent event.
Piggyback on a previous speaker's remark or theme.
Point out something important about the audience or the current setting.
Explanation: I hope this helps :)
