What Is the Correct Rank Order for Relative Energetic Cost $\rarr$

Multiple Choice

What is the correct rank order for relative energetic cost (most to least) of the primary nitrogenous wastes used by different animals?

A) ammonia $\rarr$ urea $\rarr$ uric acid
B) uric acid $\rarr$ urea $\rarr$ ammonia
C) urea $\rarr$ uric acid $\rarr$ ammonia
D) ammonia $\rarr$ uric acid $\rarr$ urea
E) urea $\rarr$ ammonia $\rarr$ uric acid