tanayzia48 tanayzia48 13-09-2020 Physics contestada A red blood cell has a diameter of approximately 8 micrometers, or 0.008 um. A model represents its diameter as 8 um. What is the ratio of model size to actual size? O A. 1:1,000 B. 1:100 O C. 100:1 OD. 1,000:1