a. Opaque-object that do not allow light to pass through them
b. Translucent- object allow to pass through and one cannot see through and one cannot see through them.
c. Transparent – allow light to pass through them and one can through them
d. Umbra – the dark part of the shadows
e. Penumbra- this is partial part of the shadow.
joseph rimiru answered the question on October 30, 2017 at 17:42
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