scientists once believed that protons, electrons, and neutrons were the smallest particles of matter. now…

scientists once believed that protons, electrons, and neutrons were the smallest particles of matter. now they believe that these particles are made of even smaller particles. which statement gives one of the reasons the original belief was a theory? it was not based on tests or observations. it was a factual statement based on a hypothesis. it did not explain what matter is actually made of. it was a widely accepted explanation of the structure of matter.

scientists once believed that protons, electrons, and neutrons were the smallest particles of matter. now they believe that these particles are made of even smaller particles. which statement gives one of the reasons the original belief was a theory? it was not based on tests or observations. it was a factual statement based on a hypothesis. it did not explain what matter is actually made of. it was a widely accepted explanation of the structure of matter.

Answer

Brief Explanations:

Una teoría científica es una explicación ampliamente aceptada de un fenómeno natural basada en evidencia. La idea original de que protones, electrones y neutrones eran las partículas más pequeñas era ampliamente aceptada como explicación de la estructura de la materia.

Answer:

It was a widely accepted explanation of the structure of matter.