Respuesta :
"They both thought that atoms could not be broken down into smaller particles" is the way among the following choices given in the question that Democritus's ideas were similar to Dalton's. The correct option among all the options that are given in the question is the third option or the penultimate option or option "C".
Answer: C. They both thought that atoms could not be broken down into smaller particles
Explanation:
Democritus and Dalton both believed that atoms are the tiny invisible particles. These are the smallest particles in nature. These exists permanently in nature without changing. These atoms are so tiny that they cannot be broken down into sub-particles. The atoms made up of different materials are said to be different in nature. Hence, C is the correct option.