What is the law of conservation of mass? how it is related to balancing chemical equations

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

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