Answer:
naturalistic observation
Explanation:
In naturalistic observation, researchers will gather data by directly observing the subjects in their natural habitat without making any intervention.
This is what Professor Ober is doing.
Professor Ober wants to collect a data about development of their physical skills among children. This means that the <u>children are his research subjects.</u>
To collect his data, professor Ober observed the children in the playground (which is the children's natural habitat). He also did not told the children to do anything , he just quietly observe and let the children do what they usually do. (not making any intervention)
Answer: Dead Sea
Explanation:The earth's surface is mostly at or below sea level, as 71 percent of the earth's surface is covered by water. The Dead Sea is the lowest point on Earth.
The answer is D Ottoman Empire
Answer:
Guaranteed all citizens equal protection of the laws.
They were called plantations.