Earth s rigid outer layer, consisting of the crust and uppermost mantle, is called the

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction