B. Choose correct form of words in the brackets: Many scientists (1. belief/believe) that if global warming (2. accelerate/accelerates), dramatic climate changes will (3. occur / occurs) in the future. It (4. was/has) been estimated that during the 21st (5. Century/centurie) the surface temperature of the earth will, in some (6. Region/regions) rise as much as two degrees. This would therefore (7. Increases/increase) the number of intense rainstorms in some areas and decrease the amount (8. at/of/on) soil moisture in others. (9. This / these) changes, in turn, would disrupt plants and animals life. ( 10. To / in) addition, it has been estimated that (11. melt / melting) snow cover and ice in the Northern Hemisphere could (12. raise/rice) sea levels as much as two feet along coastal regions. This can (13. consequently/consequences) subject plant life to harmful salts and submerge large masses (14. by / of /at) land under water.​