2007/II/9

2007/II/9
The diagram below shows the structure of a cake.
The ice-cream inside the cake does not melt when it is baked in an oven. Which of the statements are possible
reasons for this phenomenon?
(1) The whipped egg white is a poor conductor of heat.
(2) The whipped egg white is a good radiator of heat.
(3) The sponge cake is a poor conductor of heat .
A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3)