A: An area of ‘extensive commercial grain farming’ – The Prairies, USA.
B: A terminal station of ‘Trans-Siberian Railway’ – Vladivostok, Russia.
C: An area of ‘nomadic herding’ – Sahara Desert, Africa.
D: An area of ‘commercial livestock rearing’ – Pampas, Argentina.
E: A major sea port of Asia – Shanghai, China.
F: A major international airport of Europe – Heathrow, London.
G: A major shipping canal – Suez Canal, Egypt.