1. UV-B rays from the sun can damage the DNA and another cells in living organisms

2. The burning of coal is the largest air pollutant compared to another fossil fuels

3. Some psychologists start the therapy by investigating patients' childhood experiences and other investigating genetic factors

4. What makes humans different from the others animals is the use of language to communicate

5. Respect towards another builds a peaceful environment based on the feeling of trust and safety

6. Some mosquitoes like living close to individuals, while another prefer forests, bushes, or swamps