Lead is heavier and more resistant. Plastic foam is light and can easily be broken
Chemistry is the study of the composition of matter and the ways in which matter interacts, combines, and changes under certain conditions. Although not as fundamental as physics, chemistry is a very basic and broad science. It helps us explain bodily interactions and natural process (biochemistry), it helps us to manufacture new medications, and true chemistry research will always follow the scientific method.
They just are very cute tho and cute and funny and
Descriptive or Correlational. hope this helps