Are the stones in ring 1 and 2 are the same or different substances

stones in ring #1
density
5.92g/cm3
color
no color
hardness
8.5
melting point
2759 degrees celsius
not soluble in water

stones in ring #2
density
3.52g/cm3
no color
hardness
10.0
melting point
3547 degrees celsius
not soluble in water

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Which statement describes james chadwick’s discovery.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles