Question

Short answer name only 2 importance of parrallel and meridians

Answer 1

Explanation:

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Answer 2

Answer:Parallels are more commonly known as latitudes. Latitude refers to the angular distance North or South of the equator calibrated in degrees, minutes and seconds, measured from the centre of the Earth.

The equator is given a value of 0º. It is an imaginary line which divides the Earth into two hemispheres (northern hemisphere and southern hemisphere). The Northern hemisphere has latitude of 90ºN and the Southern hemisphere has latitude of 90ºS. All other latitudes are drawn north or south, parallel to the equator. A particular latitude, say 60ºN joins all points on the surface of the Earth which make an angle of 60º from the centre of the Earth (the equator). Any circle drawn around the Earth, parallel to the equator, is a parallel of latitude.

Meridians are commonly known as longitudes. A longitude is an imaginary line drawn on the map from the North Pole to the South Pole. Meridians are numbered in degrees East or West of longitude 0°, called Greenwich Meridian (because it passes through a town in England called Greenwich). It is also known as the Prime Meridian because it is the line of reference from which all other meridians are established.

A longitude, therefore, refers to angular distance measured in degrees East and West of the Greenwich Meridian. The Prime Meridian runs through the poles and the Greenwich observatory near London. All lines of longitude are in equal length and divide the Earth into two equal semi circles. There are 360° in a circle, with 180° lying east of the Greenwich Meridian and the other 180° west of Greenwich.

Explanation: