MODIFIED TRUE OR FALSE. Directions: If the statement is true, write T. If it is false, replace the underline word(s) with the word(s) that will make the statement correct. Write your answer on the space provided. 11. Extinction occurs when the last number of species dies. 12. Habitat loss remains the main driver of extinction according to Brook and Bradshaw (2014) 13. Burning of fossil fuels, plastics and agricultural activities increases water pollution 14. Factors affecting the change in sea level are the ocean floor spreading and rising. 15. Acid rain forms when sulfur dioxide / or nitrogen oxides are put into the atmosphere which affects plant life.