Please help!!
Soren is making a poster about John Dalton’s understanding of the atom. He wants to emphasize that Dalton’s atomic theory was not completely accurate. Which of these statements should Soren include on his poster to explain what was missing from Dalton’s atomic theory?
A. Atoms are made up of smaller particles.
B. All atoms of the same element are identical.
C. Atoms of different elements have different masses.
D. Compounds form when atoms of different elements combine in a specific ratio.