Suppose you find yourself teetering on the edge of a building with a heavy physics book in your hand. As you are about to fall, you suddenly remember how physics can save you. What law did you remember

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myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.