The correct answer is option (C) the temperature of the shirt will increase because all wavelengths of light are absorbed by the shirt.
The relationship of heat and light 
- Heat is a measure of the movement of particles in the body, the more particles move, the warmer the body becomes. 
- When the body absorbs light radiation, its particles vibrate in accordance with the electromagnetic radiation's wavelengths, which causes an increase in the temperature with the increase in particle movement. 
- The more wavelengths of radiation absorbed by an object, produces more heat.
Learn more about the Wavelength of light with the help of the given link:
brainly.com/question/13961990
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B.) Carbon Dioxide because the carbon is surrounded by oxygen
        
                    
             
        
        
        
Answer:
20 m/s
Explanation:
The speed of a wave is given by:

where
 is the wavelength
 is the wavelength
f is the frequency
v is the speed
For the wave in this problem,
f = 10 Hz is the frequency
 is the wavelength
 is the wavelength
So the speed is

 
        
             
        
        
        
Answer: D. They are the coldest stars.
Explanation: