Sagot :
Answer:
1. The common among these four pictures are light
2.With the help of light I can see the things that are still around me.
3.Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours. The colours we see are the wavelengths that are reflected or transmitted. ... White objects appear white because they reflect all colours. Black objects absorb all colours so no light is reflected.
4.The three different sources are Primary, Secondary, and Tetiary Source.
Explanation:
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