Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson's plum pudding model of the atom had negatively-charged electrons embedded within a positively-charged "soup."
I think it is true I learned about this last year
The most easily polluted groundwater reservoirs are <span>water-table aquifers. The correct option among all the options that are given in the question is the fourth option or option "D". The other options can be easily negated. I hope that this is the answer that has actually come to your help.</span>