A car moves along a straight path with a speed of 30kmh. How much distance will the car travel in 20 minutes

their crystal patterns have been disrupted by stress

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.

3. dark matter

empty space could also be a simple vacuum