Answer: Option 'a' is correct.
Explanation:
Researchers can isolate a single factor and examine the effect of that factor alone on a particular behavior through use of a choices is an experiment.
As experiment means when a hypothesis is tested scientifically and check when the cause is changed what would effect that factor alone.
whereas correlational study is the study of two variables understand it and develop the statistical relationship between them without affecting from any variable.
Hence, option 'a' is correct.
Answer:
The citadels of the Indus Valley are the walled citadel and religion. The walled citadel was formed on a raised platform of earth and brick. These citadels protected it from floods or people who wanted to attack. Scholars found statues and temples.
Read actively, not passively. ...
Pick a good time to read. ...
Engage in Reading. ...
Social science articles are rarely linear. ...
Skim read. ...
Analyze what you've read.
The united states of america
A.) - it is also known as the agricultural revolution, so this is definitely true.
b) - this is true, this is how it was possible
c) - this is also true! together with the cultural revolution came the domestication of animals
d) - this is false, on the contrary, it made people more independent.
