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1. A child holds a red ball. Why does the ball look red?(1 point)

a. Only red light waves are absorbed by the ball.

b. All visible light waves except red are absorbed by the ball.

c. Only red light waves reach the surface of the ball.

d. All visible light waves except red are reflected by the ball.

2. Why do sound engineers use spongy materials in the walls?(1 point)

a. to increase the frequency of sound waves

b. to transmit sound waves more clearly

c. to reflect sound waves better

d. to absorb sound waves

3.What happens when a wave is absorbed by a material?(1 point)

The wave transfers its energy to the material.

The wave bounces off the surface of the material.

The wave supports the formation of an echo.

The wave passes through the material.

4. How does sunscreen work?(1 point)

a. It helps UV waves be able to pass through the air.

b. It helps prevent the skin from reflecting UV waves.

c. It helps UV waves be able to pass through the skin.

d. It helps prevent the skin from absorbing UV waves.
need help

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33 answers

  1. Okay idk why people are posting the wrong answers but here are the real answers. Also the answers change so im just posting it in word.

    1.All visible light waves except red are ABSORBED by the ball.

    2. To absorb sound waves.

    3. The wave transfers its energy to the material.

    4. It helps prevent the skin from absorbing UV waves.

    Hope this helps

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  2. Hey, I just took the test and here are the correct answers:
    1.All visible light waves except red are absorbed by the ball.
    2.to absorb sound waves
    3.The wave transfers its energy to the material.
    4.It helps prevent the skin from absorbing UV waves.
    btw Anonymous is correct

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  3. Anonymous is Correct.

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  4. MISSSY IS WRONG I GOT IT ALL WRONG!!

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  5. @Anonymous is correct, i just took the quick check

    1) All visible light waves except red are absorbed by the ball.
    2) to absorb sound waves
    3) The wave transfers its energy to the material.
    4) It helps prevent the skin from absorbing UV waves.

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  6. what are the answers

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  7. Missy wrong 1/4 I think they mized answers

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  8. I have 5 questions and the last two are different bro

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  9. 1: all visible light waves except red were REFLECTED by the ball

    2:to absorb sound waves

    3: the wave transfers its energy into material

    4:it helps prevent the skin from ABSORBING UV waves

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  10. aaaaaaaaa

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  11. aaaaaaaaaaaaaaaaaaaaaaaaa

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  12. 1: all visible light waves except red were ABSORBED by the ball

    2:to absorb sound waves

    3: the wave transfers its energy into material

    4:it helps prevent the skin from ABSORBING UV waves

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  13. “Lonelygurl..” and “Anonymous” are both correct, I swear it.

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  14. Lonely girl still correct

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  15. lonelygurl is right 4/4 thx so much

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  16. Great job everyone!😉😁😆

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  17. All y’all tripin anonymous is the only one right I got. 3/4 Number 1 is wrong

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  18. y are you aing the field

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  19. thx yo

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  20. YO IS CORRECT FOR 2022 MATH

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