B. speed D. strength of gravity 6. What happens to the speed of sound as the temperature increases? A. constant C. increases B. decreases D. cannot be determined 7. Which of the following arrangements of yisible light colors shows der
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6:Molecules at higher temperatures have more energy and can vibrate faster and allow sound waves to travel more quickly. ... This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures. The speed of sound is also affected by other factors such as humidity and air pressure.
7: Wavelengths of Visible Light
Violet: 380–450 nm (688–789 THz frequency)
Blue: 450–495 nm.
Green: 495–570 nm.
Yellow: 570–590 nm.
Orange: 590–620 nm.
Red: 620–750 nm (400–484 THz frequency)
Explanation:
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