<span><u />a color you get from the mixing of two primary colors; Examples: <u>Yellow</u> & <u>Blue</u> make <u>Green. </u> <u>Red</u> & <u>Blue</u> make <u>Purple.
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I’m pretty sure the answer would be cave paintings.
You are going to need a lit subject a shutter speeds this high don't allow your camera much time to gather light for exposure. You can get this to a degree by using a higher ISO setting , but don't get to high, or the noise will creep into your shot.
One of the effects moving water will look smooth and silky when shot at shutter speeds of 1/8 of a second or more - the longer the exposure the pronounced the effect .