How do the Sun's luminosity and apparent brightness compare with those of other stars? O A. The Sun's luminosity is average, and it has the least apparent brightness B. The Sun's luminosity is above average, and it has the greatest apparent brightness. O C. The Sun's luminosity is average, and it has the greatest apparent brightness O D. The Sun's luminosity is below average, and it has the least apparent brightness.

Why is it important that fibrin is insoluble in water?

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

What happens to the average kinetic energy of water molecules as water freezes?