Why is figure 3 more helpful than figure 2?

Figure 3 is more helpful than figure 2 since it shows a clearer trend in the data, while figure 2 does not.

Explanation:

by drinking easy

very easy

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do