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B. True</h3>
"This was the idea that non-living objects can give rise to living organisms."
 
        
        
        
The colors that you see on the CD are created by white light reflecting from ridges in the metal. When light reflects off or passes through something with many small ridges or scratches, you often get rainbow colors and interesting patterns. They are called interference patterns.
        
             
        
        
        
Answer:
On the standing waves on a string, the first antinode is one-fourth of a wavelength away from the end. This means 

This means that the relation between the wavelength and the length of the string is

By definition, this standing wave is at the third harmonic, n = 3.
Furthermore, the standing wave equation is as follows:

The bead is placed on x = 0.138 m. The maximum velocity is where the derivative of the velocity function equals to zero. 


For this equation to be equal to zero, sin(59.94t) = 0. So, 

This is the time when the velocity is maximum. So, the maximum velocity can be found by plugging this time into the velocity function:

 
        
             
        
        
        
An ice cube would transfer heat to another object whose temperature
is lower than zero°C (32°F).
A block of "dry ice" is sitting there at a temperature of -78°C (-109°F).
An ice cube helps to melt dry ice nice and fast.
If you could find a block of solid nitrogen, its temperature would be
63K (-210°C, -346°F).  An ice cube would transfer heat to that baby 
so fast that it would instantly boil.
        
             
        
        
        
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