That will depend on things like your nationality. Some people would need one and may even need a visa and other people wouldn't. There is no single answer.
yesIt depends on your nationality and where you are flying from
You will need to show proof of there identity and they will need to take a photo.
If you are a US Citizen, No passport needed. All Puerto Ricans are US Citizen.
From Great Britain No. Elsewhere then probably
If you are travelling North to South, you must cross the River Forth to get to Edinburgh.
a letter weighing 1 gram to Eire, what postage do I need?
I think its usually done by the local council.
Your age is immaterial. For security reasons, everyone needs to have acceptable photo ID before being allowed to get on a flight. A passport is the most acceptable form of ID.
yes i am currently doing the duke of Edinburgh bronze award and it is funny especially if you fall. you will need a lot to drink.
You should check in at Birmingham at least one hourbefore your flight leaves for Edinburgh !
i need help finding one
That will depend on things like your nationality. Some people would need one and may even need a visa and other people wouldn't. There is no single answer.