Answer:
1.true 2.christmas 3.all of them 4.true
Explanation:
A.
Undermine
erode the base or foundation of (a rock formation).
Answer:
The official residence and office of the British monarch is Buckingham Palace.
Explanation:
Buckingham Palace is the official residence of the British monarch in London. It is also used for official ceremonies, state visits and sightseeing. It is famous for hosting a substantial part of the Royal Collection, an extraordinary collection of artistic works resulting from real collecting. The palace is a meeting point for the British in times of crisis and festivity.
