Explanation:
J.J. Thomson's show the experiment with cathode ray tubes showed that all atoms contain tiny negatively charged particles called electron.
There have been 4 Quadruple
Answer:
True
In northern South America, an independence movement led by a Creole ... When João VI returned to Portugal to deal with a liberal revolution, he left his son Pedro as regent I. Independent Brazil maintained the existing social order based on slavery. Slavery was abolished in all the former Spanish colonies by 1854.
Hope this helped, maybe brainliest?
