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IgorLugansk [536]
3 years ago
12

How do sound waves travel?

Biology
2 answers:
Dmitriy789 [7]3 years ago
3 0

Answer:

A

Sound waves radiate outward from a central point.

Nina [5.8K]3 years ago
3 0

Sound waves radiate outward from a central point

Hope this helps :)

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"In order to reconstruct the diet of Neandertals, scientists have analyzed the stable isotopes of nitrogen and carbon in Neander
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Big mammals as bears or Mammoths.

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3 years ago
To test for the presence of starch, iodine can be used. A positive reaction results in a black color. A dialysis bag filled with
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Diffusion.

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According to the information given before the example in the question and considering the fact that the bag was secured on both ends before being placed in the solution, provided that there were no holes on the surface of the bag, the iodine solution could have diffused through the bag into the starch solution hence the color change to black after 30 minutes.

I hope this answer helps.

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