207 is the mass number. 82 would be the atomic number
The answer is evaporation<span>.Evaporation is the vaporization of the liquid from its surface into gaseous phase, without boiling the liquid. When all the liquid has passed to gaseous phase the salt dissolved in the salt water will remain as solid crystals.</span><span />
The answer to your question is full
I would say 2 because co2 goes out and o goes in
