Based on the reactions we have studied, ammonia can be considered as ____.
A. an Arrhenius base (only)
B. a Lewis base (only)
C. a Brønsted-Lowry base (only)
D. both an Arrhenius base and a Lewis base
E. both a Brønsted-Lowry base and a Lewis base
Answer: both a Bronsted-Lowty base and a Lewis