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5 questions
How can we see different colors?
If you were told that the wavelength of a particular wave is 10-7 m, what kind of EM wave would it be?
infrared waves
ultraviolet light
white light
x ray
What keeps the temperatures on Earth suitable for life?
Electricity
Heat waves
Moon
Sun
What are three sources of white light?
Combines
X rays
Wavelenghts
Colors
What are two helpful effects of UV light?
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