A.
Possibly, check the date that your passport expires. On the day you are traveling in or to the EU you need your passport to have at least six months left and be less than ten years old (even if it has six months or more left). Full details on passport rules for travel to Europe from 1 January 2021 can be found at:
https://www.gov.uk/guidance/passport-rules-for-travel-to-europe-from-1-january-2021
