Which object has the greatest density twenty kilograms of cement twenty kilgrams of feathers twenty kilograms of paperclips twenty kilograms of plastic bottels?

Answer 1

cement

Answer 2

The object with the greatest density is the 20 kilograms of cement, as cement is a dense material compared to feathers, paper clips, and plastic bottles. Density is a measure of how much mass is in a given volume, so the denser the material, the greater the density.