Yes.
Example:
Washington Annual Luncheon Event
No.
Yes. Capitalize groups whose name and membership are fixed.
Yes it should be capitalized.
Yes.
YES
Yes. Example: Washington Annual Luncheon Event
Hypus
Pushkar
You should capitalize it if it is a brand name.
the reaping
fries
When it is the name of a particular country, you capitalize it.
Yes. 'Sun' is its name and you capitalize it just as you capitalize anyone's name.
If its a name.
No, but you capitalize the name of a biome.
You capitalize Apollo because it is a name.
no you do not