I am the reason why bridges have
gaps and railway tracks bend slightly
in summer. I cause materials to
take up more space when heated.
Who am I?
A Sublimation
B Condensation
C Expansion
D Contraction
I am the reason why bridges have
gaps and railway tracks bend slightly
in summer. I cause materials to
take up more space when heated.
Who am I?
A Sublimation
B Condensation
C Expansion
D Contraction