The sentence “Abstain from all appearance of evil” is an imperative statement. These types of sentences usually do not have a subject and their structures consist mainly on the bare verb alone. The main purpose of an imperative statement is to give commands. So, in this sentence, there is no subject and it is commanding somebody to abstain from doing something.
D. Everyone who lives near that factory seems really unhappy. It must you must have done it. people who are under 30 years old. give off a dangerous chemical.
"A false-causality fallacy is based on the mistaken assumption that because one event follows another, the first event caused the second."