Longer Wavelengths,such as Microwaves,would Not Make a Good Basis for a Visual

question 113

Multiple Choice

Longer wavelengths,such as microwaves,would not make a good basis for a visual system because​ 

• A)most longer wavelengths are blocked by the earth's atmosphere. 
• B)they travel at too slow a speed. 
• C)they are too abundant at the earth's surface to be useful in vision. 
• D)long wavelengths penetrate objects instead of being reflected from them.

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