Answer: uninformed audience and hostile audience
Explanation:
Uninformed audience
Ate those people who don't have much information on your topic so it is your job to ensure that you capture their interest right from the beginning so that they can start to see what you are coming with and probably pay attention to it.
You need to convince them from the beginning so that they can be with you all the way if possible.
In advance you need to find out what information they already have so that you don't end up bogging them.
Hostile audience
These are the individuals who disagree with you from the beginning up to the end because they have a negative feeling or attitude towards the topic and they are hard to convince because their mind are already made up.
These are the ones who will keep making negative remarks as you speak.
They believe they know better on the topic.
This is true as in certain parts of the day it could be colder than in other parts
A sundial... is what they built. have a good day
This is a stereotype based on age. Stereotypes are assumptions about the characteristics, behaviors or thoughts of groups of people who share similar characteristics, although there is no evidence to corroborate that the assumptions are true. Stereotypes can be cultural, social or ethnic. Stereotypes based on age are those in which characteristics are attributed to people according to their age.
I hope my answer can help you.