Answer:

Well, you can take the example of different genres of music. One person might like pop while others might be more interested in country, jazz, hip hop etc. So, what seems good for one might not seem good for others due to their tastes in different things.

P represents heating and Q represent cooling.
this is because when you start from a liquid and turn to a gas the particles move faster making them farther apart, causing a gas. the opposite happens when you go from a liquid to a solid. the partials move closer together causing a solid to form. :)
Answer:
Honestly, I would join them
Messengers delivered letters because they had No Postal system
Answer: Yes
Plural Executive was created on 1876 constitution where there is a fragmented system of authority through which most statewide executive office holder are elected independently of governor.
However, one problem of plural executive is the potential conflict between governor & executive officials so when conflict emerges between state officials of the plural executive, the governor is most likely to become involved.