Answers by visitors named: Know Me

1. Kilogram (a) 2. Pineapple (b) 3. 3.2715 grams (b) 4. 627,532 mL (b) 5. 1.71 m (b) 6. 1,080^2 in (c) 7. 56 ft by 51 ft; 214 ft (c) 8. 496 ft^2 (a) 9. 6556 cm (d) 10. 53 cm (a) 11. 2162 miles (b) 12. 805 square meters 13. 410 cm (b) 14. (c) 15. 748m^2 (c) 16. 522 m^2 (c) 17. 270 m^3 (c) 18. 128 cm^2 (b) 19. 360 in^2 (b) 20. 104 f^2 (c) 21. 240 yards (c)

18 is c military