If Antarctica melts, it will effect us because the worlds sea level will rise, can cause floods in London from the river Thames.
Holme Fen in Cambridgeshire is considered to be the lowest point at 9 feet below sea level
25 metres. Fazakerley hospital sits on the 25 metre contour line.
The level of its surface relative to the land. For mapping and other technical purposes the Mean Sea Level at a suitable reference location is used, to allow for the tides. I don't know the American equivalent, but for the UK the reference level is Mean Sea Level measured at Newlyn, Cornwall, as it is a convenient location little affected bycoastal features or the English Channel, Bristol Channel (the Severn Estuary), etc.
No sea protects the UK from climate change, but The Gulf Stream is a warm ocean current that brings warm water from the Carribean Sea to Western Europe. This keeps the UK warmer than, say, Canada, at the moment, and as long as the current still flows.
The sea-level would rise and low-lying areas of anywhere in the UK, not just the Wirral, would be covered by the sea, or flooded at high tide. A lot of the Wirral is actually hilly, and would be well above the higher sea-level.
About 100 meters above sea level
All of them
Bournemouth has a beachfront but the middle is about 15 meters above sea level.
Parts of several countries are below sea level, including Israel, USA, UK, and Netherlands.
Liverpool is a coastal city so it's at sea level.
If Antarctica melts, it will effect us because the worlds sea level will rise, can cause floods in London from the river Thames.
Washington averages around 61 metres (200 ft) above sea level.
11 meters
56m above sea level
According to Google Earth - it is 217 metres above sea level at Westgate Hill.
This village, in East Anglia near Lowestoft, is only a few feet above sea level