I think the correct answer from the choices listed above is the last option. The control group to be used to test the hypothesis would be the swallows with average-length tails. A control group <span>is defined as the </span>group<span> in an experiment or study that does not receive treatment by the researchers.</span>
Absolute monarchy hold the supreme or absolute power, while in a constitutional monarchy the head of state is a hereditary or elected monarchy. in other words the king or queen of the absolute monarchy is a dictator.
Answer:
B
Explanation:
because the sandpaper is rougher than the flat table.
