Answer:
This would be Conduction
Explanation:
Conduction is the transfer of heat between two surfaces in contact with each other like the bird and the eggs.
BAS might be an improperly capitalized: BAs, BaS
PTF2 might be an improperly capitalized: PtF2
BAF2 might be an improperly capitalized: BaF2
PTS might be an improperly capitalized: PtS
The answer is dissolved in water, because in chemistry, (aq) is shorthand for aqueous solution.
According to periodic trends, bismuth has the greatest atomic radius.
