Yes, if your father was married to your mother at your time of birth AND he was already British at that time. If not, then you're still eligible if you were born after 7th Feb 1961 AND your mother was British at that time.
Yes, a person may hold both a Canadian and American passport.
If you are a citizen of both countries then you can apply for the dual citizenship so that you can get both passports.
If you have both citizenship and both their laws allow you to hold both passport then you are legally a dual citizen of the countries.
If you are a citizen of both countries and that their laws allow for a dual citizen then yes it is possible to hold both passports.
Passport and sometimes you will be asked for authorization from both your parents with signatures
I'm presuming you're NOT resident in the UK, else you could simply reference your prior passport on a renewal application. Failing that, mail the application with birth docs of your parents to the appropriate UK Embassy that issues passport in your country of resident. In the US, this would be the main Washington, DC embassy. You might have to appear in person for an interview as this seems like your first passport as an adult (?).
If you are also a US citizen, you need to carry both passports and they should be valid.If you are a Canadian citizen and have green card, you need a valid Canadian passport with your green card.
Both Canadian.
Yes. If you have the relevant criteria that entitle you to a passport for different countries then you can have more than one passport. Many people have both Irish and British passports. There is no such thing as an 'English' passport.
Canadian and British passports are the only passports that are allowed to enter South Korea and visit up to six months.US was 30 days but after the VWP agreement of 2008 with South Korea, they extended it up to 90 days for US citizens.
Yes they are both Canadian Citizens
What exactly do you mean by "individually"? Assuming you're asking about a US passport: Minors are required to have their own individual passports, but a minor must apply in person with both parents/guardians; they can't get a passport without both parents knowing about it and approving of it.