How many decimal places did you use when you measured the length of each square of aluminum? Which places were exact, and which were estimated?

technology is the application of the knowledge gained by science.

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.