.5 10. If Molly's grandparents join the family before her mother leaves, what type of family would then be formed? (A) Nuclear (B) Blended (C) Extended (D) Sibling household 11. The term 'environment can best be defined as things (A) in the sky. (B) around us. (C) we can feel. (D) we cannot see 12. Which of the following countries is the largest and most populated in South America? (A) Peru (B) Brazil (C) Paraguay (D) Argentina 13. Khanai and his friends are leaders of their school's environmental club. Which of the following practices are they most likely to promote? (A) Burning garbage (B) Disposing of garbage in the sea (C) Recycling items as much as possible (D) Using plastic bags instead of paper bags