answer is A. On the contrary, agraian societies settle in a permanent place. they opted to settle down and cultivate land to grow their crops..
Answer:
-culture
race
Explanation:
because culture is characteristic and Knwledge of a particular group
race is refers to a group whose inherited physical characteristics distinguish it from other group
Answer:
top-down processing
Explanation:
Top-down processing is cognitive thinking processing when we used general knowledge, experience and information to perceive the specific situation. In top down its means we thinking from generalities and way toward specific.
Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.
