Answer:
observer effect
Explanation:
Based on the information provided within the question it seems that the problem that is affecting this quasi-experiment is the observer effect. In the context of psychology this term refers to a theory stating that observing a phenomenon or experiment may change the results. Which is what is happening in this situation since Dana's presence alone seems to causing the children to not do what they normally do. Thus affecting the experiment.
Answer:
Resources are not evenly distributed among countries.
Explanation:
Each countries are located in different geographical location from one another. This resulted in different types of climate and environment that give each countries with different resources.
For example, Let's examine Brazil and United States.
Brazil located near the equator line which make that country significantly warmer compared to united states. Because of this, a wide variety of fruits and vegetables able to grow easily in Brazil. This lead to a situation which make Brazil able to produce fruits/vegetable related product in a cheaper and more efficient manner compared to United States.
Knowing this, Brazil focused its production and specialize in fruits/vegetables and sell them to united states.
The American Declaration of Independence was used in other revolutions around the world:
B.) because it ended the practice of colonialism
The Declaration of Independence was a step towards the American colonies declaring freedom from British rule.
Similarities were their geography, religion, temples and technology. Differences are the way they approached death and prepared for the afterlife, their religion, and the Sumerians were one of the first peoples to develop a system of writing.