E sounds like reasonable choice in a safe method
The other participants apart from Samuel were part of the control group since they received a placebo.
<h3>What is a
control group?</h3>
In a experimental study, the control group refers to the participants that does not receive the experimental treatment.
In conclusion, the other participants apart from Samuel were part of the control group since they received a placebo.
REad more about control group
<em>brainly.com/question/26323529</em>
Answer:
The fact that this earthquake occurred in the ocean may be one reason it has caused less damage than the earthquake in Haiti, which occurred on land. Offshore earthquakes generate less ground shaking than onshore earthquakes because the intensity of ground shaking diminishes with distance.
Explanation:
<span>The answer is True. A soil horizon is a cross-section of the physical layers that make up the soil. The soil horizons include such features as the organic layer, surface layer, subsoil, substratum and bedrock. Each horizon is unique and different depending on the land it is found on.</span>