A group used in a study or in an experiment, which does not get treatment by the scientists and is used as a foundation to determine the functions of the other tested subjects is known as the control group. The control group is only found in an experimental investigation.
The correct answer is letter A
Correlational method is the type of research that seeks to explore relationships that may exist between variables, except the cause-effect relationship. The study of the relationships between variables is descriptive because there is no manipulation of variables, with prediction being the most frequently established type of relationship.
A census is often done every 10 years.
Answer:
What is radioactive dating? Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks
Answer:
America introduced Japan to the industrial revolution
Explanation:
then during world war 2 it backfired when they bombed pearl harbor
