6. A 7. B 8. D 9. C 10. A 11. B.
Answer:
Sound travels over 4 times faster in the ocean than it does on land.
Explanation:
Speed of sound in water is approximately 1500 meters per second
and the speed of sound in air is approximately 340 meters per second.
Kono Dio Da!!!
Carbon- 0.27/0.45 = 0.60*100 = 60%
Hydrogen- 0.020/0.45 = 0.04*100 = 4%
Oxygen- 0.16/0.45 = 0.36*100 = 36%
From the graph. the answer is
A. supergiants
