The correct answer is B. Type of treatment given to the adolescents
Explanation:
In experimental research, the independent variable is a factor or "treatment" manipulated by the researchers. Moreover, because this is manipulated it is used to measure how another variable known as the dependent variable changes. In the research about anxiety, it is likely the independent variable is the type of treatment (option B) because this is the factor controlled by researchers. Also, this has an effect on the levels of anxiety, which is the dependent variable or main factor studied.
Its not that we allow it it just happens and noone can say anything about it even though its wrong
The peoples of West Africa had rich and diverse histories and cultures centuries before Europeans arrived.
Before Imperialism, Africa was a very diverse land with hundreds of languages and cultures. Societies ranged from centralized government states, to village communities, to nomadic hunter-gatherer societies.
A European author stated : "Africa had no history prior to European exploration and colonization, that there is only the history of Europeans in Africa."
