<u>Answer:</u>
European countries unified together in the name of European Union and their important goals are promotion of peace, reduce the discrimination, enhance economic freedom and so on.
<u>Explanation:</u>
Important goals of European Union are promotion of peace between the countries, provide freedom among countries without the internal borders, increase the economic freedom. Later European Union released the unified monetary for the member countries in the name of “Euro”. United Kingdom conduct the plebiscite in their own country for exit from European Union. This decision of Britain affects the stability of European Union countries, both Britain peoples and people from other member countries are majorly affected because of Brexit.
The center of the Earth is made up of two layers, the outer core and the inner core. The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. The outer core is responsible for Earth's magnetic field.
1 cm to 1,00,000 cm. As 1 km represents 1,00,000 cm. That's why 1 cm to 1 km.
<u>Explanation:</u>
Scale represents the ratio between map distance and ground distance. Representative Fraction, Graphical scale, Linear scale and Comparative scale, Statement scale all are various categories of scale.
In Representative Fraction (R.F) values are represented in ratio format. Here, 1 cm map distance representing 1,00,000 cm ground distance. As 1 km= 1,00,000 cm. That's why 1 cm to 1 km means 1 cm map distance represents 1 km ground distance in reality.
Statement scale represents the values in a sentence. For eg. 1 cm to 1 km. Linear scale represents the values in primary and secondary divisions likewise Comparative scale compares two different units in a single scale.