Answer: D. Infrared
Infrared is the best way to observe it.
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Answer: Something that's vibrating, and you also need medium for those vibrations to start in.
I hope this helped!
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- Zack Slocum
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in china, there is a family limit for only having 1 child
at 10 billion people on earth, we will most likely run out of food supply
B.) Carbon Dioxide because the carbon is surrounded by oxygen
Acceleration=velocity/time
acceleration=28/4.22
therefore, acceleration=6.64
