помоги пожалуйста!!!!!why does the British Parlament consist of two cham bers?

2 1 The south of Scotland called the Lowlands, has beautiful valley and plains.2 The Atlantic Ocean and the Irish Sea wash the western coast of Great Britain.3 The Atlantic Ocean and the warm waters of Gulf Stream influence the climate of  the Britsh Isles.4 "Great Britain" is used to mean the United Kingdom in everyday speech. 4  D 5 Порядок предложении:1 b2 d3 a4 c