I believe the answer is: double-blind experiment
In double blind experiments, the subjects that receive the treatment is remained unknown by both the researchers and the subjects until the experiment is finished. The main purpose of double-blind experiment it eliminate the bias of perception that might exist among researchers.
Answer:
correct option is c. Well constructed buildings
Explanation:
as for the life serving our primary need air water and food and safe place to live
so here we need Fresh water supply and Consistent Food Supply and Social Stability that is refer here for the range of life structure and the reliable routine which is protective against any situational hazard
and it also help you maintain connection
so here Well constructed buildings is not our primary need
so correct option is c. Well constructed buildings
Answer:
income taxes
tariff taxes
excise taxes
Corporate taxes
Explanation: You're welcome ;)
The answer is b just did it in edg 2021
Answer: A
Explanation:Lenin promised the people of Russia a number of things. The first was that he would pull Russia out of the war. This proved extremely popular especially among soldiers. Secondly he promised land to the peasants.