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g100num [7]
3 years ago
13

Which of the following is the best description of the cane toad’s introduction to Australia?

Biology
1 answer:
Zina [86]3 years ago
6 0

Answer:

b.......................

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To calculate this we will use the light equation:
c=λ*f

We have Frequency f=9.4* 10^{9}Hz.
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Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
f=9.4* 10^{9}1/s
<span>c =3.8* 10^{8} m/s
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I can't see the well but chemical changes happen when a substance combines with another to form a new substance. These processes are called chemical reactions and are not reversible except if you do more chemical reactions... So the well that is changing it's state of matter should be the one undergoing a chemical change. For, example boiling or freezing

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