Answer:
Randomized
Explanation:
Observational Studies and Randomized Trials are two ideal ways of determining the outcome of certain tests.
In the Observational course the study is conducted in a true to life scenario and the result of what happens is recorded. Meanwhile, in the Randomized Trial there purposefully placed conditions that are ideal and these are evaluated after specific interventions.
Since the pool manager did not let different pools grow algae at will before putting in the chemical this study would not be considered observational. Instead he set up three different pools of the same size with the similar amount of contaminants and then tested the algaecide. This classifies this as a Randomized Trial.
The aspect of Lady Bracknell's behavior that Wilde uses to poke fun at the importance placed on frivolous events in formal society is the fact that she is very concerned about a party instead of taking care of Mr. Bunbury's health.
Oscar Wilde uses his play "The Importance of being Earnest" to critique in a humorous way the society in Victorian times. Lady Bracknell is a clear example of the way people behaved at thay time.
In Dr.Kong's speech,<span>"symbolic shadow" was referred to </span>Abraham Lincoln.
So the best answer is :
<span>c. The Lincoln Memorial</span>
