Which has the most gravitational potential energy? A. there isn't enough information to determine which has the most gpe
B. a 2 kg bird flying at a 10 meters per second
C. a 10 kg bird flying at 10 meters per second
D. a 10 kg bird flying at 15 meters per second
E. a 2 kg bird flying at 15 meters per second

mass and volume are the answers you are looking for

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

answerdmitry mendeleyev made a workable classification of the elements