(Key Concept 6.1, I, A – C, E)
(Key Concept 6.1, II, A – D)
(Key Concept 6.1, III, A – C)
(Key Concept 6.2, I, A – E)
(Key Concept 6.2, II, A – E)
(Key Concept 6.3, I, A – C)
(Key Concept 6.3, II, A – C)