Ethnic Conflicts Around the World AP Human Geography.
Giant Clams & the Environment Ron & Suzy Petersen.
1 Calorie : energy needed to heat 1 g of water by 1 o C 1 Calorie = 4.182 Joules ≈ 4.200 J 1 C (or food calorie or KILO calorie) = 4200J BTU (British.