DIRECTIONS: Read the text below and answer the diagram that follows.

One of the greatest environmental problems in our time we are facing is global warming. Many researchers believe that excessive emissions of carbon dioxide, as well as other greenhouse gases have a heating impact on the environment and that is very harmful to human existence. Another cause of global warming is deforestation. We don't have enough trees to absorb toxic gases. Many problems might result from global warming and one of the utmost problems is increasing sea level. This could lead to the flooding of lower lying coastal areas and also cities. Some countries might even vanish completely in near future. Global warming also changes the weather patterns. Many of the earth are experiencing severe weather conditions, drought, floods, and other uncommon weather conditions. People are also at risk of health-related problems such as skin diseases and respiratory illnesses.​