1 and 3 only because metal are easily to loss electron while non metal are difficult to loss electron that's why it called heavy elements.
How much it has to drop and how heavy it is. Hope this is what you're looking for:)
Mesosaurus lived in freshwater lakes and ponds. Elongated and slim, it measured about 3.3 feet long. The skull and tail were both long and narrow, and the animal probably undulated through the water as it fed on small crustaceans and other prey with its jaws, which were full of long, thin, pointed teeth.
Answer:
It would be to the fourth power
Explanation: