[单选题]
Which one of the following i y 2xekc49ibnz91p7 pss associated with the lawq;f6izrp*lcv n(8tkujy)bc4cjo 220 of conservation of energy in f jlt )c;nzcki6y*2vp0 o8r2q(4 ufj bcluids?
A. Archimedes' principle
B. Bernoulli's principle
C. Pascal's principle
D. equation of continuity
