Question

Which shows the height of loud or depth of water above the sea level and coloured used on it

Answer 1

Answer:

A key or Legend shows the height of land or depth of water above the sea level and colours used in  it .

Explanation:

Different colours are used to indicate different things on the map. Usually maps adopts a common colour scheme

Water bodies such as  lakes, seas & rivers on the map are indicated in blue. Light blue indicates shallow waters  and deep blue indicates for deep waters

Green color indicates lowlands/plain areas. To indicate mountains & highlands yellow & shades of brown are used

The colour scheme  is used  in every nation across the globe. To comprehend the scheme of color  of a map, a key/legend is made. This indicates the depth or height of the land of water below/above the sea level.