Researchers must utilize a control group in a scientific study because <span>it is important to show that between two groups that were similar from the beginning of the study, the one that received the manipulation is the one that changes. Note that the control group is the group in the experiment that does not receive manipulation by the experimenter and is thus used as basis for how the other test subjects changed. </span>
Answer: The line was chosen by U.S. military planners at the Potsdam Conference (July 1945) near the end of World War II as an army boundary, north of which the U.S.S.R. was to accept the surrender of the Japanese forces in Korea and south of which the Americans were to accept the Japanese surrender.
Explanation: do you need an explanation?
One U.K. pound is worth $1.36 in U.S. dollars.
Answer:
The correct response is Option 2: Al Jazeera.
Explanation:
Headquartered in Doha, Al Jazeera Media Network is owned by the government of Qatar. They claim they are editorially neutral from the government and that funding is in the form of grants and loans and not direct subsidies that would make them dependent on the government. Al Jazeera has had a great impact in the Middle East region and in bringing news and analysis of the Middle Eastern region to the world because it is available via satellite. Many citizens in the Middle East were subject to state-controlled national TV stations and news outlets that were tightly monitored. Al Jazeera is known for providing in-depth coverage of the issues in the Middle East that only get superficial attention from other mainstream media outlets like the Palestinian perspective.
Answer:
B. sub-Saharan Africa
Explanation:
Sub-Saharan Africa is one of the most, if not the most troublesome regions in the world, whichever aspect do we look at it. The region is very poor, and the economies in very bad condition, thus they do not generate lot of money. The agriculture is still primitive, with the slash-and-burn method still being used, contributing to destruction of the environment and total degradation of the soils. The food is constantly in higher demand than what is produced, with the main reason being the very rapid growth in population, which can not be caught by the slow growth of the agricultural production.
