a person walks 15 meters in the direction 60 degrees north of east. How far north and how far east had he walked?

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.

that the claims meet official rules.

don't misinterpret the claims