Find the density of the box in #1 if it has a mass of 20g

Which disease is caused by a buildup of plaque in blood ves

Waste is deposited into in thin layers which are then compacted and covered with soil.

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.