1) What is the light source? a) b) c) d) 2) What is not a light source? a) b) c) d) 3) Find a light source  a) b) c) d) 4) What is not a light source? a) b) c) d) 5) What is not a light source? a) b) c) d) 6) What is a light source? a) b) c) d)

Light source!

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