19. 7. When there is presence of substances in the atmosphere that are harmful to he health of humans and other living beings caused by solid and liquid particles uspended in the air. A. Global warming B. Air pollution Erosion D, Landslides _ 8. This is a family of viruses caused by CoviD A. Coronaviridae Corona C. Flu D. Pneumonia 9. This occurs when a species' population becomes so excessive that people em, it must be managed. A. Family planning 9. Overpopulation B. B, Population control D. Educate the people 10. It is a social issue among teen girls who are sexually active and occasiona ome pregnant and give birth between thirteen and nineteen years of age. A. Eating disorders (B.Teenage pregnancy C. Bullying D. Depression 11. Which action of a person is not an effect of bullying? A. Academic achiever B. Depression C. Anxious D) Feel tired