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.
Answer:
The Mayans <u>had been thriving </u>for many centuries before the arrival of Europeans.
Explanation:
A college student who has one free time would be the best fit for the job!
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Answer: Shakespeare employs characterization techniques through dialogue by: Having characters use recurring themes and images in their speech. Giving characters names that connect with their personalities. Giving some characters specific speech or rhyme patterns to denote social standing.
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