A Small Lake Has a Surface Area of 10000 M² $\circ$

Multiple Choice

A small lake has a surface area of 10000 m².Assuming that the average depth of the lake is 2 m,how much heat is released when the average temperature of the water in the lake drops by 1C ^$\circ$ ?

A) 8.36 $\times$ 10¹⁰ J
B) 8.36 $\times$ 10⁷ J
C) 2.0 $\times$ 10⁸ J
D) 2.0 $\times$ 10¹¹ J
E) 8.36 $\times$ 10³ J