A Slice of Bread Contains About 90 Kcal $\degree$ C, by How Many

Multiple Choice

A slice of bread contains about 90 kcal. If specific heat of a person were 1.00 kcal/kg· $\degree$ C, by how many $\degree$ C would the temperature of a 70.0-kg person increase if all the energy in the bread were converted to heat?

A) 2.25 $\degree$ C
B) 1.86 $\degree$ C
C) 1.43 $\degree$ C
D) 1.29 $\degree$ C