Answer:
The ability of an individual or group to carry out a particular economic activity more efficiently than another individual or group.
Explanation:
The Arab Maghreb Union or AMU consists of Algeria, Libya, Mauritania, Morocco, and Tunisia.
When the countries of Tunisia and Morocco became independent countries, it was also during that moment that the concept of an economic union was first thought of. The chief of state of the 5 members of these countries manages the AMU.
A <u>double-blind experiment </u>allows researchers to identify the specific effects of the independent variable from the possible effects of the experimenter's and the participants' expectations about it.
<u>Explanation</u>:
The double-blind experiment is conducted to ensure that the results of the experiments are not biased. The double-blind study states that the person who is implementing the experiment and the person involved in the experiment are not aware of each other. So there will be no bias in the experimental treatment.
The reliability in the double-blind experiment is improved. Under this experiment unintentional tipping off the study participants and biasing of the evaluation results by the researchers can be avoided.
Exchanges of plants, animals, diseases and technology transformed European and Native American ways of life. ... Advancements in agricultural production, evolution of warfare, increased mortality rates and education
