Time left 1 Which of the following is tropical grassland? Taiga Savannah Pampas Prairies 2 With the disintegration of USSR in end 1991, comprised of ____ Union Republics. 15 10 5 25 3 The iron and steel industries of which of the following countries are almost fully dependent on imported raw materials? Britain Japan Poland Germany 4 The temperature increases rapidly after ionosphere exosphere stratosphere troposphere 5 The humidity of the air depends upon temperature location weather All of the above 6 The groundwater can become confined between two impermeable layers. This type of enclosed water is called artesian well unconfined groundwater confined groundwater