Electricity production has...

(a)  

Food production has...

(a)  

A Mega-City is a city with...

(a)  

Since 1990, (a)   has gone from 4.4 million to 14 million people. (Note: Exact spelling of city name required)

A quarter of all smart phones sold on Earth are produced in...(Note: Exact spelling of the city required).

(a)  

(a)   produces the colours that are seen from space

By ____2056_________ there will be ___10_____ billion people on Earth.

(a)