15 POINTS what are some ways CO2 gets into the atmosphere?

Carbon dioxide is added to atmosphere naturally when organisms respire or decompose

Or through human activities, such as the burning of fossil fuels and forests and the production of cement.

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.