Directions (Q.58 to 60): Read the following passage carefully and answer the questions that follow based on it.
Nature is the foundation of our life. Trees provide us with pure air, shade, and fruits. Rivers and lakes provide us with water. Mountains regulate the weather. However, today humans are harming nature due to their selfish nature. Indiscriminate deforestation, factory smoke, and the use of plastic are polluting the environment. As a result, problems like climate change, floods, and droughts are emerging. To protect the environment, we must plant more and more trees, reduce the use of plastic, and focus on water conservation. If we do not wake up now, future generations will have to face a severe crisis. It is the duty of all of us to protect nature.

According to the passage, what is mentioned as the main cause of environmental pollution?

1. A
   Deforestation, factory smoke, and the use of plastic
2. B
   Drying up of rivers
3. C
   Excessive rainfall
4. D
   Soil erosion of mountains